Patent application number | Description | Published |
20080239750 | LED LAMP ASSEMBLY - An exemplary LED lamp includes a housing, a printed circuit board, at least one LED, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED electrically connects with the printed circuit board. The light reflective module includes at least one light-shielding sheet and a bottom reflective plate disposed between the printed circuit board and the light-shielding sheet. The bottom reflective plate defines at least one through hole. The LED passes through the at least one through hole correspondingly. Each light-shielding sheet defines a plurality of light holes and covers the LED correspondingly. The lamp cover is fixed on the opening of the housing. The LED lamp has a uniformity brightness. | 10-02-2008 |
20080239751 | LED LAMP ASSEMBLY - An exemplary LED lamp includes a housing having an opening, a printed circuit board, at least one LED, a light reflective plate, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED is electrically connected with the printed circuit board. The light reflective plate defines at least one through hole, the LED passing through the corresponding through hole. The light reflective module includes a bottom reflective plate, at least two opposite reflective sidewalls, at least one light-shielding sheet extending at midsections from the opposing reflective sidewalls. The bottom reflective plate defines at least one first cutout, the at least one LED passing through the corresponding first cutout. The at least one light-shielding sheet defines a plurality of light holes and covers the corresponding LED. The LED lamp assembly has a uniform luminance. | 10-02-2008 |
20080259608 | LED LAMP ASSEMBLY - An exemplary LED lamp assembly includes a housing ( | 10-23-2008 |
20080259609 | LED LAMP ASSEMBLY - An exemplary LED lamp assembly includes a housing ( | 10-23-2008 |
20080259636 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of depressions and at least one lamp-receiving portion. The light output surface is opposite to the bottom surface. The depressions are formed at the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-23-2008 |
20080259637 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate ( | 10-23-2008 |
20080259638 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate ( | 10-23-2008 |
20080259639 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate section. The transparent plate section includes a light output surface, a bottom surface, a plurality of depressions and at least one lamp-receiving portion. The light output surface is opposite to the bottom surface. The depressions are formed on the light output surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-23-2008 |
20080266871 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of microstructures, and at least a lamp-receiving portion. The bottom surface is opposite to the light output surface. The microstructures are formed at the light output surface and the bottom surface respectively. Each microstructure has circular cross-sections taken along a plane parallel to its base surface thereof, a diameter of the circular cross-sections decreasing along a direction away from its base surface thereof. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266872 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate section. The transparent plate section includes a light output surface, a bottom surface, a plurality of elongated V-shaped protrusions, a plurality of spherical protrusions and at least one lamp-receiving portion. The light output surface is opposite to the bottom surface. The elongated V-shaped protrusions are formed on the bottom surface. The spherical protrusions are formed on the light output surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266873 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of microstructures and at least a lamp-receiving portion. The bottom surface is opposite to the light output surface. The microstructures are formed on the light output surface and the bottom surface respectively. Each microstructure includes at least three side surfaces connected with each other, a transverse width of each side surface decreasing along a direction away from the base surface of the microstructure. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266874 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a first surface, a second surface, a plurality of conical frustum protrusions, a plurality of spherical protrusions and a lamp-receiving portion. The second surface is opposite to the first surface. The conical frustum protrusions are formed at the first surface. The spherical protrusions are formed at the second surface. The lamp-receiving portion is defined in at least one of the first surface and the second surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266875 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of through holes and at least one lamp-receiving portion. The light output surface is opposite to the bottom surface. Each of the through holes communicates the light output surface with the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266876 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate section. The transparent plate section includes a light output surface, a bottom surface, a plurality of spherical protrusions, a plurality of microstructures, and a lamp-receiving portion. The light output surface is opposite to the bottom surface. The spherical protrusions are formed on the light output surface. The microstructures are formed on the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266877 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of elongated V-shaped protrusions, a plurality of spherical depressions, and a lamp-receiving portion. The light output surface is opposite to the bottom surface. The spherical depressions are formed in the light output surface. The elongated V-shaped protrusions are formed on the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266878 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of enclosing V-shaped protrusions, a plurality of spherical protrusions, and a lamp-receiving portion. The light output surface is opposite to the bottom surface. The spherical protrusions are formed on the light output surface. The enclosing V-shaped protrusions are formed on the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266879 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a first surface, a second surface, a plurality of microstructures, a plurality of spherical depressions and a lamp-receiving portion. The second surface is opposite to the first surface. The microstructures are formed at the first surface. Each microstructure includes at least three side surfaces connected with each other, a transverse width of each side surface decreasing along a direction away from the first surface. The spherical depressions are formed at the second surface. The lamp-receiving portion is defined in at least one of the first surface and the second surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266880 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes one or more transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of spherical depressions, a plurality of enclosing V-shaped protrusions, and one or more lamp-receiving portion. The light output surface is opposite to the bottom surface. The spherical depressions are formed on the light output surface. The enclosing V-shaped protrusions are formed on the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266895 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a first surface, a second surface, a plurality of microstructures, a plurality of elongated V-shaped protrusions and a lamp-receiving portion. The second surface is opposite to the first surface. The microstructures are formed at the first surface. Each microstructure includes at least three side surfaces connected with each other, a transverse width of each side surface decreasing along a direction away from the first surface. The elongated V-shaped protrusions are formed at the second surface. The lamp-receiving portion is defined in at least one of the first surface and the second surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266896 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of spherical protrusions, a diffusion layer, and at least one lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion layer is formed on the light output surface. The spherical protrusions are formed at the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266901 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of spherical depressions, a diffusion layer, and at least one lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion layer is formed on the light output surface. The spherical depressions are formed at the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080278818 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes a transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a diffusion layer, and a lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion layer is formed on the light output surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 11-13-2008 |
20080285277 | Bottom lighting type backlight module having illumination and heat dissipation spaces and plurality of through-holes therein - An exemplary bottom lighting type backlight module includes a frame, a plurality of light sources, a reflecting sheet and at least one optical sheet. The frame includes a base and a plurality of sidewalls extending from the peripheral of the base to define an opening. The base defines a plurality of guide holes. Each optical sheet is disposed on the opening of the frame. The at least one optical sheet and the frame collectively define a chamber. The reflecting sheet is supported by the sidewalls, for partitioning the chamber into an illumination space and a heat dissipation space. The reflecting sheet defines a plurality of through holes therein. The light sources are arranged on the base of the frame under the reflecting sheet according to the through holes, illuminating light through the through holes towards the at least one optical sheet. | 11-20-2008 |
20080285287 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes one or more transparent plate section. The transparent plate section includes a light output surface, a bottom surface, a plurality of spherical depressions, a plurality of protruding structures and one or more lamp-receiving portion. The light output surface is opposite to the bottom surface. The spherical depressions are formed on the bottom surface. The protruding structures are formed on the light output surface. Each protruding structure includes two conical frustums aligned at a center axis and stacked together. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 11-20-2008 |
20080298072 | LED LAMP ASSEMBLY - An exemplary LED lamp includes a housing having an opening, a printed circuit board, at least one LED, a light reflective element, at least one light-shielding sheet and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED is electrically connected with the printed circuit board. The light reflective element defines at least one through hole, the LED passing through the corresponding through hole. The at least one light-shielding sheet corresponds to the at least one LED respectively. Each light-shielding sheet comprises a bottom reflective plate and a pair of opposite sidewalls extending from two opposite ends of the bottom reflective plate. A plurality of light holes is defined at ends of the bottom reflective plate adjacent to the two opposite sidewalls. The lamp cover is fixed on the opening of the housing. The LED lamp assembly has a uniform luminance. | 12-04-2008 |
20090002999 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes one or more transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of elongated V-shaped protrusions, a plurality of conical frustum protrusions, and a lamp-receiving portion. The light output surface is opposite to the bottom surface. The elongated V-shaped protrusions are formed on the bottom surface. The conical frustum protrusions are formed on the light output surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 01-01-2009 |
20090010005 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of enclosing V-shaped protrusions, a plurality of microstructures and at least one lamp-receiving portion. The light output surface is opposite to the bottom surface. The enclosing V-shaped protrusions are formed on the bottom surface. The microstructures are formed on the light output surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 01-08-2009 |
20090010024 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a first surface, a second surface, a plurality of first protrusions, a plurality of second protrusions and a lamp-receiving portion. The second surface is opposite to the first surface. The first protrusions are formed at the first surface, and each first protrusion is a rectangular pyramidal protrusion. The second protrusions are formed at the second surface, and each second protrusion is a conical frustum protrusion. The lamp-receiving portion is defined in one of the first surface and the second surface. A backlight module using the optical plate is also provided. | 01-08-2009 |
20090016067 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a first surface, a second surface, a plurality of enclosing V-shaped protrusions, a diffusion layer and a lamp-receiving portion. The second surface is opposite to the first surface. The enclosing V-shaped protrusions are formed at the first surface. The diffusion layer is formed at the second surface. The lamp-receiving portion is defined in one of the first surface and the second surface. A backlight module using the optical plate is also provided. | 01-15-2009 |
20090016068 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate ( | 01-15-2009 |
20090017262 | TWO-LAYERED OPTICAL PLATE - An exemplary optical plate ( | 01-15-2009 |
20090021947 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of enclosing V-shaped protrusions, a plurality of microstructures and a lamp-receiving portion. The light output surface and the bottom surface are on opposite sides of the optical plate. The enclosing V-shaped protrusions are formed on the bottom surface. The microstructures are formed on the light output surface. Each microstructure has circular cross-section taken along a plane parallel to its base surface thereof, a diameter of the circular cross-section decreasing along a direction away from its base surface thereof. The lamp-receiving portion is defined in at least one of the light output surface and the bottom surface. A backlight module using the present optical plate is also provided. | 01-22-2009 |
20090021958 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes a plurality of transparent plate units. The transparent plate unit includes a first surface, a second surface, a plurality of conical frustum protrusions, a diffusion layer and a lamp-receiving portion. The second surface is opposite to the first surface. The conical frustum protrusions are formed at the first surface. Each conical frustum protrusion comprises two conical frustums. The diffusion layer is formed at the second surface. The lamp-receiving portion is defined in one of the first surface and the second surface. A backlight module using the optical plate is also provided. | 01-22-2009 |
20090027893 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit and a diffusion layer. The transparent plate unit includes a light output surface, a bottom surface, a plurality of elongated V-shaped protrusions, and a lamp-receiving portion. The bottom surface is opposite to the light output surface. The elongated V-shaped protrusions are formed at the bottom surface. The lamp-receiving portion is defined in the bottom surface. The diffusion layer is formed on the light output surface of the transparent plate unit. A backlight module using the present optical plate is also provided. | 01-29-2009 |
20090027897 | TWO-LAYERED OPTICAL PLATE - An exemplary optical plate includes a transparent layer and a light diffusion layer. The transparent layer includes a light input interface and a light output surface opposite to the light input interface. A plurality of micro-protrusions formed on the light output surface. The micro-protrusions are arranged along a plurality of separate, circular arcs. Each micro-protrusion has four side surfaces connected to each other, and a transverse width of each side surface decreases along a direction away from the light diffusion layer. The light diffusion layer is integrally formed in immediate contact with the light input interface of the transparent layer, and free of air or gas pockets trapped in an interface therebetween. The light diffusion layer includes a transparent matrix resin and a plurality of diffusion particles dispersed in the transparent matrix resin. | 01-29-2009 |
20090027898 | TWO-LAYERED OPTICAL PLATE - An exemplary optical plate includes a transparent layer and a light diffusion layer. The transparent layer includes a light input interface, a light output surface opposite to the light input interface, and a plurality of micro-depressions formed on the light output surface. The micro-depressions are arranged along a plurality of imaginary, separate, circular arcs. Each micro-depression has at least three side surfaces connected to each other, and a transverse width of each side surface increases along a direction away from the light diffusion layer. The light diffusion layer is integrally formed in immediate contact with the light input interface of the transparent layer, and free of air or gas pockets trapped in an interface therebetween. The light diffusion layer includes a transparent matrix resin and a plurality of diffusion particles dispersed in the transparent matrix resin. | 01-29-2009 |
20090033829 | PRISM SHEET AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet according to a preferred embodiment includes a first surface and a second surface opposite to the first surface. A plurality of micro-protrusions are formed on the first surface. A plurality of curved elongated V-shaped protrusions are formed on the second surface. A liquid crystal display device using the prism sheet is also provided. | 02-05-2009 |
20090040421 | PRISM SHEET AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet includes a light input surface, a light output surface opposite to the light input surface, and a plurality of micro-protrusions formed on the light output surface and arranged in a skewed matrix. Each micro-protrusion includes at least three side surfaces connected in turn. A transverse width of each side surface decreases along a direction away from the light output surface. A liquid crystal display device using the prism sheet can efficiently decrease moiré patterns between the prism sheet and the liquid crystal display panel. | 02-12-2009 |
20090040424 | OPTICAL PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary optical plate includes a transparent layer and a light diffusion layer. The transparent layer and the light diffusion layer are integrally formed. The transparent layer includes a light input interface, a light output surface opposite to the light input interface, and a plurality of curved, elongated, V-shaped micro-protrusions are formed on the light output surface. The light diffusion layer is located adjacent to the light input interface of the transparent layer. A plurality of V-shaped micro-protrusions are formed on an outer surface of the light diffusion layer. A liquid crystal display device using the optical plate is also provided. | 02-12-2009 |
20090040425 | PRISM SHEET AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet ( | 02-12-2009 |
20090046370 | PRISM SHEET AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet includes a light input surface, a light output surface opposite to the light input surface, and a plurality of triangular pyramidal micro-elements and a plurality of hexagonal pyramidal micro-elements. The triangular pyramidal micro-elements and the hexagonal pyramidal micro-elements are formed on the light output surface. Each triangular pyramidal micro-element surrounded by three adjacent hexagonal pyramidal micro-elements. Bottom surfaces of each hexagonal pyramidal micro-element and each triangular pyramidal micro-element are coplanar with the light output surface. A liquid crystal display device using the prism sheet is also provided. | 02-19-2009 |
20090051850 | PRISM SHEET AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet includes a main body having a surface. The surface defines a plurality of first V-shaped micro-protrusions and second V-shaped micro-protrusions thereon. Each of the first V-shaped micro-protrusions extends along a first curved direction. Each of the second V-shaped micro-protrusions extends along a second curved direction. The first V-shaped micro-protrusions intersect with the second V-shaped micro-protrusions. The present prism sheet and the liquid crystal display device using the same can efficiently decrease moire pattern interference between the prism sheet and the pixel pitch of LCD panel. | 02-26-2009 |
20090052036 | PRISM SHEET AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet according to a preferred embodiment includes a light input surface, a light output surface and a plurality of triangular pyramidal optical elements. The light output surface is opposite to the light input surface. The plurality of triangular pyramidal optical elements are formed at the light output surface. A bottom surface of each triangular pyramidal optical element is coplanar with the light output surface. Each triangular pyramidal optical element has three sides. Each one of the three sides of each triangular pyramidal optical element is connected with a side of adjacent triangular pyramidal optical element. A liquid crystal display device using the prism sheet is also provided. | 02-26-2009 |
20090073565 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of spherical depressions formed in the first surface, and a plurality of triangular pyramidal depressions and hexagonal pyramidal depressions formed in the second surface. Each of the triangular pyramidal depressions is surrounded by three adjacent hexagonal pyramidal depressions. A backlight module using the present prism sheet is also provided. | 03-19-2009 |
20090073676 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface and the second surface define a plurality of first micro-depressions and a plurality of second micro-depressions respectively. Each first micro-depression is defined by four connecting curved inner sidewalls. A transverse width of each curved inner sidewall of each first micro-depression progressively decreases with increasing distance from the first surface. Each second micro-depression is defined by four connecting inner sidewalls. A transverse width of each inner sidewall of each second micro-depression progressively decreases with increasing distance from the second surface. A backlight module using the present prism sheet is also provided. | 03-19-2009 |
20090073690 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of spherical depressions formed in the first surface, and a plurality of micro-depressions formed in the second surface. A bottom surface of each micro-depression is coplanar with the second surface. Each of micro-depressions has four connecting sidewalls. A transverse width of each sidewall progressively decreases with increasing distance from the bottom surface. A backlight module using the present prism sheet is also provided. | 03-19-2009 |
20090079906 | PRISM SHEET AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet according to a preferred embodiment includes a transparent main body. The transparent main body includes a light input surface and a light emitting surface opposite to the light input surface. A plurality of curved elongated V-shaped protrusions are formed on the light emitting surface. Each of the curved elongated V-shaped protrusions extends along a circular arc. The circular arcs have a same curvature, and centers of the circular arcs are aligned apart and in a straight line. A liquid crystal display device using the prism sheet is also provided. | 03-26-2009 |
20090080095 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface and a plurality of conical frustum micro-depressions and a plurality of triangular pyramidal micro-depressions. The first surface and the second surface are on opposite sides of the main body. The conical frustum micro-depressions are formed in the first surface and the triangular pyramidal micro-depressions are formed in the second surfaces. A backlight module using the present prism sheet is also provided. | 03-26-2009 |
20090080188 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface and a second surface. The first surface is opposite to the second surface. A plurality of elongated V-shaped protrusions are formed on the first surface. A plurality of micro-depressions are defined in the second surface. Each micro-depression is defined by at least three connecting inner sidewalls. A transverse width of each inner sidewall of each micro-depression progressively decreases with increasing distance from the second surface. A backlight module using the present prism sheet is also provided. | 03-26-2009 |
20090080192 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface and a second surface. The first surface is opposite to the second surface. A plurality of elongated arc-shaped depressions are defined in the first surface. A plurality of micro-depressions are defined in the second surface. Each micro-depression is defined by at least three connecting sidewalls. A transverse width of each sidewall of each micro-depression progressively decreases with increasing distance from the second surface. A backlight module using the present prism sheet is also provided. | 03-26-2009 |
20090080218 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface and a plurality of spherical micro-depressions and a plurality of triangular pyramidal micro-depressions. The first surface and the second surface are on opposite sides of the main body. The spherical micro-depressions are formed in the first surface and the triangular pyramidal micro-depressions are formed in the second surfaces. A backlight module using the present prism sheet is also provided. | 03-26-2009 |
20090080220 | Prism sheet and backlight module using the same - An exemplary prism sheet includes a transparent main body. The transparent main body includes a surface and a plurality of micro-depressions integrally formed in the surface. Each of the micro-depressions has connecting sidewalls. A transverse width of each sidewall progressively decreases with increasing distance from the surface thereof. A backlight module using the present prism sheet is also provided. | 03-26-2009 |
20090097245 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of micro-depressions formed in the first surface, a plurality of spherical micro-protrusions formed in the second surface. Each micro-depression is defined by four connecting inner sidewalls. A transverse width of each inner sidewall of each micro-depression progressively decreases with increasing distance from its bottom surface that is coplanar with the first surface of the transparent main body. A backlight module using the present prism sheet is also provided. | 04-16-2009 |
20090109656 | Optical plate and backlight module using the same - An optical plate includes a first surface and a second surface opposite to the first surface. A plurality of elongated, arc-shaped depressions is defined in the first surface. A plurality of first elongated, V-shaped protrusions aligned in a first direction and a plurality of second elongated, V-shaped protrusions aligned in a second direction are protruded from the second surface. The first direction and the second direction cooperatively define an angle which is larger than 0 degrees and less than 90 degrees. | 04-30-2009 |
20090109673 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet consists of a transparent main body. The transparent main body includes a surface and a plurality of spherical micro-protrusions. The spherical micro-protrusions are integrally formed on the surface. A backlight module using the present prism sheet is also provided. | 04-30-2009 |
20090116219 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The transparent main body includes a surface and a plurality of spherical micro-depressions integrally formed in the surface. A backlight module using the present prism sheet is also provided. | 05-07-2009 |
20090128730 | FRAME AND BACKLIGHT MODULE USING THE SAME - An exemplary frame used in a backlight module having a plurality of optical elements includes a bottom frame, a plurality of fixing members, and two pre-assembled members. Each pre-assembled member has a latching portion. The optical elements are stacked together and fixed to the latching portions of the pre-assembled members. The pre-assembled members are fixed to the bottom frame with the fixing members. A backlight module using the present frame is also provided. | 05-21-2009 |
20090129078 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface and a second surface. The first surface is opposite to the second surface. A plurality of micro-depressions are defined in the first surface. A plurality of elongated arc-shaped protrusions are formed on the second surface. Each micro-depression is defined by four connecting sidewalls. A transverse width of each sidewall of each micro-depression progressively decreases with increasing distance from the second surface. A backlight module using the present prism sheet is also provided. | 05-21-2009 |
20090129094 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of elongated, curved micro-depressions formed in the first surface, and a plurality of elongated, curved micro-protrusions protruding out from the second surface. The micro-depressions extend along first imaginary circular arcs having a same curvature. The micro-protrusions extend along second arcs having a same curvature. A backlight module using the present prism sheet is also provided. | 05-21-2009 |
20090130340 | LIGHT DIFFUSION PLATE AND BACKLIGHT MODULE USING THE SAME - A light diffusion plate according to a preferred embodiment includes a transparent substrate and a light diffusion layer formed on a surface of the transparent substrate. The light diffusion layer includes a transparent resin matrix, a plurality of first particles, and a plurality of second particles. The first particles and the second particles are dispersed in the transparent resin matrix. A diameter of each first particle is in a range from 5 microns to 60 microns. A diameter of each second particle is less than 0.5 microns. A backlight module using the present light diffusion plate is also provided. | 05-21-2009 |
20090147385 | PRISM SHEET AND METHOD FOR MAKING THE SAME - An exemplary prism sheet includes a transparent main body. The transparent main body has a surface. A plurality of elongated protrusions protrude from the surface of the main body. Each of the elongated protrusions extends along a first direction. A width and a height of one or more elongated protrusions vary along the first direction. Methods for making the prism sheet are also provided. | 06-11-2009 |
20090147515 | PRISM SHEET AND BACKLIGHT MODULE USING THE SAME - An exemplary prism sheet includes a transparent main body. The main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface defines a plurality of elongated, arc-shaped depressions. Each elongated, arc-shaped depression has a varying depth forming a first smooth wavy pattern. A plurality of elongated, arc-shaped protrusions protrudes from the second surface. Each elongated, arc-shaped protrusion has a varying height forming a second smooth wavy pattern. A backlight module using the present prism sheet is also provided. | 06-11-2009 |
20090153776 | PRISM SHEET, METHOD FOR MAKING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet includes a transparent main body. The transparent main body has a surface. A plurality of first elongated micro-protrusions and second elongated micro-protrusions protrude from the surface of the main body. Each of the first elongated micro-protrusions extends along a first direction. Widths and heights of each of the first elongated micro-protrusions vary along the first direction. Each of the second elongated micro-protrusions extends along a second direction that intersects with the first direction. Widths and heights of each of the second elongated micro-protrusions vary along the second direction. A method for making the prism sheet and a liquid crystal display device using the prism sheet are also provided. | 06-18-2009 |
20090161345 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate is used in a backlight module having a frame. The optical plate includes a main body and one bracket extension. The main body has a light input surface, and a light output surface opposite to the light input surface. The bracket extension extends from one end of the main body for fixing the optical plate to the frame. A backlight module using the optical plate is also provided. | 06-25-2009 |
20090244714 | PRISM SHEET - An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the transparent main body. The first surface defines a plurality of a plurality of elongated arc-shaped grooves. The second surface defines a plurality of parallelogram microstructures. Each parallelogram microstructure defines four adjacent triangular pyramid depressions. | 10-01-2009 |
20090244715 | PRISM SHEET - An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the transparent main body. The first surface defines a plurality of micro-depressions. Each micro-depression forms four inner sidewalls connected with each other. A transverse width of each inner sidewall progressively decreases with increasing distance from the first surface. The second surface defines a plurality of parallelogram microstructures. Each parallelogram microstructure defines four adjacent triangular pyramid depressions. | 10-01-2009 |
20090244737 | PRISM SHEET - An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface of transparent main body defines a plurality of first elongated arc-shaped grooves and a plurality of second elongated arc-shaped grooves. The first elongated arc-shaped grooves intersect with the second elongated arc-shaped grooves. The second surface defining a plurality of rectangular structures. Each rectangular structure defining four adjacent triangular pyramid depressions. | 10-01-2009 |
20090244738 | PRISM SHEET - An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface of transparent main body defines a plurality of spherical depressions. The second surface defines a plurality of rectangular structures. Each rectangular structure defines four adjacent triangular pyramid depressions. | 10-01-2009 |
20090244739 | PRISM SHEET - An exemplary prism sheet includes a first surface and a second surface opposite the first surface. The first surface defines a plurality of elongated V-shaped grooves, and the elongated V-shaped grooves are parallel to each other. The second surface defines a plurality of parallelogram microstructures. Each parallelogram microstructure defines four adjacent triangular pyramid depressions. | 10-01-2009 |
20090244907 | PRISM SHEET - An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface of transparent main body is flat. The second surface defines a plurality of parallelogram microstructures. Each parallelogram microstructure defines four adjacent triangular pyramid depressions. | 10-01-2009 |
20090262528 | OPTICAL PLATE AND BACKLIGHT MODULE USING SAME - An exemplary optical plate includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface of transparent main body defines a plurality of elongated arc-shaped grooves. The second surface defines a plurality of the elongated arc-shaped protrusions. An extending direction of the elongated arc-shaped grooves intersects with an extending direction of the elongated arc-shaped protrusions. | 10-22-2009 |
20090290341 | OPTICAL PLATE AND BACKLIGHT MODULE USING SAME - An exemplary optical plate includes a first surface and a second surface opposite the first surface. The first surface defines a plurality of substantially parallel elongated arc-shaped grooves therein. A plurality of substantially parallel elongated arc-shaped protrusions is formed on the second surface. An extending direction of the elongated arc-shaped grooves are substantially parallel to an extending direction of the elongated arc-shaped protrusions. | 11-26-2009 |
20090303696 | DIFFUSION PLATE AND BACKLIGHT MODULE USING THE SAME - A diffusion plate formed includes a first surface and a second surface opposite to the first surface. The first surface defines a plurality of elongated arc-shaped grooves, and the second surface is flat. The first diffusion plate is formed by injection molding | 12-10-2009 |
20090316387 | Optical plate and backlight module using same - An optical plate includes a first surface and a second surface opposite the first surface. The first surface defines a plurality of substantially parallel elongated arc-shaped grooves therein. A plurality of substantially parallel elongated V-shaped ridges is formed on the second surface. An extending direction of the elongated arc-shaped grooves is substantially parallel to an extending direction of the elongated V-shaped ridges. | 12-24-2009 |
20090323308 | Optical plate and backlight module using the same - An optical plate includes a first surface, a second surface opposite to the first surface, and a plurality of elongated arc-shaped protrusions and elongated V-shaped protrusions protruding from the second surface. The first surface is substantially flat, and the elongated arc-shaped protrusions and the elongated V-shaped protrusions are substantially parallel to each other and arranged in an alternating manner. A backlight module using the optical plate is also provided. | 12-31-2009 |
20090323309 | Optical plate and backlight module using the same - An optical plate includes a first surface, a second surface opposite to the first surface, a plurality of substantially parallel arc-shaped depressions defined in the first surface and a plurality of elongated arc-shaped protrusions and elongated V-shaped protrusions protruding out from the second surface. The elongated arc-shaped protrusions and the elongated V-shaped protrusions are substantially parallel to the arc-shaped depressions and arranged in an alternating manner. A backlight module using the optical plate is also provided. | 12-31-2009 |
20090323310 | Optical plate and backlight module using the same - An exemplary optical plate has a first surface and an opposite second surface. A plurality of elongated V-shaped protrusions and a plurality of elongated arc-shaped protrusions are arranged in an alternating manner. Each elongated V-shaped protrusion is substantially parallel to each arc-shaped protrusion. A plurality of elongated arc-shaped grooves is defined on the second surface. An extending direction of each elongated arc-shaped protrusion intersects with an extending direction of each elongated arc-shaped groove. A backlight module using the optical plate is also provided. | 12-31-2009 |
20090323314 | Optical plate and backlight module using the same - An optical plate has a first surface and an opposite second surface. The first surface is substantially planar. A plurality of substantially parallel elongated V-shaped protrusions and a plurality of substantially parallel elongated arc-shaped protrusions are formed on the second surface of the transparent main body. Each elongated arc-shaped protrusion intersects with each elongated V-shaped protrusion. A backlight module using the optical plate is also provided. | 12-31-2009 |
20090323326 | LIGHT DIFFUSION PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary light diffusion plate includes a main body, and a plurality of diffusion particles dispersed in the main body. The main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface is a flat surface. The second surface defines a plurality of rectangular structures. Each rectangular structure defines four adjacent triangular pyramid depressions. A backlight module using the light diffusion plate is also provided. | 12-31-2009 |
20090323373 | Optical plate and backlight module using the same - An exemplary optical plate has a first surface and an opposite second surface. A plurality of parallel elongated arc-shaped groove is defined on the first surface. The second surface of the transparent main body defines a plurality of parallel elongated arc-shaped protrusions and a plurality of parallel elongated V-shaped protrusions. Each arc-shaped protrusions intersects with each elongated V-shaped protrusion. An extending direction of each elongated arc-shaped protrusion intersects with an extending direction of each elongated arc-shaped groove. | 12-31-2009 |
20100002416 | Optical plate and backlight module using the same - An optical plate includes a light output surface and a bottom surface opposite to the light output surface. The light output surface defines a plurality of triangular pyramidal depressions and a plurality of four-sided pyramidal depressions. Each four-sided pyramidal depression is surrounded by four triangular pyramidal depressions. | 01-07-2010 |
20100002462 | Optical plate and backlight module using the same - An optical plate includes a first surface, an opposite second surface, a plurality of triangular pyramidal micro-depressions formed in the first surface, and a plurality of elongated arc-shaped depressions formed in the second surface. A backlight module using the present optical plate is also provided. | 01-07-2010 |
20100008061 | Optical plate and backlight module using the same - An optical plate has a first surface and a second surface opposite to the first surface. The first surface defines a plurality of elongated arcuate troughs therein. The second surface defines a plurality of triangular pyramid depressions and a plurality of hexagonal pyramid depressions therein. Each side of the triangular pyramid depressions borders three hexagonal pyramid depressions. A backlight module using the optical plate is also provided. | 01-14-2010 |
20100008062 | Optical plate and backlight module using the same - An optical plate includes a first surface and a second surface opposite to the first surface. The first surface defines a plurality of elongated, arc-shaped depressions. The second surface defines a plurality of triangular pyramidal depressions and a plurality of four-sided pyramidal depressions. Each four-sided pyramidal depression is surrounded by four triangular pyramidal depressions. | 01-14-2010 |
20100008063 | Light diffusion plate and backlight module using the same - A light diffusion plate includes a transparent main body having a plurality of diffusion particles distributed in the transparent main body. The main body includes a first surface, a second surface opposite to the first surface, a plurality of elongated arc-shaped protrusions formed on the first surface, and a plurality of elongated arc-shaped grooves defined in the second surface, an extending direction of the elongated arc-shaped grooves intersects with an extending direction of the elongated arc-shaped protrusions. A backlight module using the light diffusion plate is also provided. | 01-14-2010 |
20100008064 | Diffusion plate and backlight module using same - A light diffusion plate includes a first surface and an opposite second surface. The first surface defines a plurality of first elongated arc-shaped grooves and a plurality of second elongated arc-shaped grooves therein. A width of the first elongated arc-shaped grooves decreases and a width of the second elongated arc-shaped grooves increase along the direction from one side to another side. The second surface forms a plurality of first elongated arc-shaped protrusions and a plurality of second elongated arc-shaped protrusions thereon. A width of the first elongated arc-shaped grooves decreases gradually and a width of the second elongated arc-shaped grooves increases gradually along the direction from one side to another side. A width of the first elongated arc-shaped protrusions decreases gradually and a width of the second elongated arc-shaped protrusions increases gradually along the direction from one side to another side. | 01-14-2010 |
20100027240 | Lighting device - A lighting device includes a housing, a plurality of LEDs arranged on a base of the housing, and a first optical plate positioned above the LEDs. The first optical plate includes a light input surface, a light output surface opposite to the light input surface, and a plurality of V-shaped ridges aligned in at least two different directions formed on the light output surface. The V-shaped ridges aligned in different directions intersect with one another. The lighting device may be used as a backlight module. | 02-04-2010 |
20100033952 | LIGHTING DEVICE - A lighting device includes a housing, a plurality of LEDs arranged on a base of the housing, and a first optical plate positioned above the LEDs. The first optical plate includes a light input surface, a light output surface opposite to the light input surface, and a plurality of elongated arcuate protrusions formed on the light output surface. The elongated arcuate protrusions are substantially parallel to one another. The lighting device may be used as a backlight module. | 02-11-2010 |
20100065875 | OPTICAL LENS AND LIGHT EMITTING DEVICE USING THE SAME - A light emitting device includes a light-emitting semiconductor unit and an optical lens coupled to the light-emitting semiconductor unit. The optical lens includes a top surface, a base portion opposite to the top surface, and a peripheral side surface defining a first refractive portion. The top surface is generally funnel-shaped. The first refractive portion is corrugated with a plurality of protruding ridge structures, each including a refractive surface. | 03-18-2010 |
20100165663 | Optical plate and backlight module using the same - An optical plate includes a first surface and a second surface opposite to the first surface. A plurality of elongated, arc-shaped depressions is defined in the first surface. A plurality of elongated, arc-shaped protrusions and a plurality of elongated, V-shaped protrusions protrude from the second surface. An extending direction of the elongated, arc-shaped protrusions intersects with an extending direction of the elongated, V-shaped protrusions. An extending direction of elongated, arc-shaped depressions is substantially parallel with the extending direction of the elongated, arc-shaped protrusions. | 07-01-2010 |
20100187704 | METHOD FOR MAKING PRISM SHEET - A method for making a prism sheet includes: providing a cutting device comprising a cutter, a table plate, and a control unit, the table plate controlled to move up and down by the control unit, and the cutter having a blade rotatable; providing a mold insert preform on the table plate, the mold insert preform having a flat surface; moving the cutter to etch the flat surface of the mold insert preform along a first direction, and simultaneously driving the table plate to move up and down by the control unit in a first predetermined manner to form first elongated depressions in the flat surface; moving the cutter to etch the flat surface of the mold insert preform along a second direction to form second elongated depressions in the flat surface, thereby forming a mold insert; using the mold insert to form the prism sheet by injection molding method. | 07-29-2010 |
20110084588 | LED ILLUMINATING DEVICE - An LED illuminating device includes a first LED illuminating module, a second LED illuminating module, and a connecting module. The first LED illuminating module includes a first substrate and a first group of LEDs mounted on the first substrate. The second LED illuminating module includes a second substrate carrying a second group of LEDs, a wedge shaped light guide, and a reflector. The second substrate and the reflector defines a fan shaped space therebetween to receive the wedge shaped light guide, and the projections of the first substrate and the second substrate are spaced to each other. The LED illuminating device has a large light divergence angle and good heat dissipation ability. | 04-14-2011 |
20110084593 | LED ILLUMINATING DEVICE - An LED illuminating device includes a first LED illuminating module, a second LED illuminating module, and a connecting module. The first LED illuminating module includes a first substrate and a first group of LEDs mounted on the first substrate. The second LED illuminating module includes a second substrate and a second group of LEDs mounted on the second substrate. The first group of LEDs and the second group of LEDs face opposite directions. The projections of the first substrate and the second substrate are spaced to each other. The connecting module connects the first LED illuminating module with the second illuminating module. The LED illuminating device has a large light divergence angle and good heat dissipation ability. | 04-14-2011 |
20110103054 | LED ILLUMINATING DEVICE - An LED illuminating device includes a first and a second illuminating module, and a connecting module connecting the first illuminating module with the second illuminating module. The first illuminating module includes a first substrate carrying a double-sided reflector, a first group of LEDs, and a second group of LEDs. The double-sided reflector divides the first illuminating module into a front lighting area and a lateral lighting area, light emitted by the first group of LEDs illuminates the front lighting area, and light emitted by the second group of LEDs illuminates the lateral lighting area. The second illuminating module includes a second substrate and a third group of LEDs mounted on the second substrate. The first group of LEDs and the second group of LEDs are opposite to the third group of LEDs, and the projections of the first substrate and the second substrate are spaced to each other. | 05-05-2011 |
20110291561 | LED LAMP - An LED lamp includes a circuit board with a plurality of LEDs switch and a lamp base made of heat dispersing material. The lamp base includes a fastening pedestal. The fastening pedestal includes an accommodating member, a shell, and a plurality of heat diffusion walls. The accommodating member defines a cavity configured for receiving the circuit board. The shell encloses the accommodating member. The plurality of heat diffusion walls connect the accommodating member to the shell. Each of two adjacent heat diffusion walls define an outlet. | 12-01-2011 |
20110292647 | LED TUBE LAMP - A LED tube lamp includes a hollow heat sink, a cover fixed on the hollow heat sink, at least two LED substrates mounted on the hollow heat sink, a pair of connectors configured to connect to a coupling connector to electrically connect the LED tube lamp to a power source, and a driving circuit contained in the hollow heat sink. Each of the at least two LED substrates emit light in a different direction, enlarging the light divergence angle of the LED tube lamp. | 12-01-2011 |
20110305024 | LED TUBE LAMP - An LED tube lamp includes a heat sink, an LED substrate, a cover fixed to the heat sink. The cover includes a first cover and a second cover, the first cover is closer to the LED substrate than the second cover, and a plurality of lenses are arranged on the surface of the first cover to refract the light beams entering into the first cover. The light beams are scattered by the lenses to enlarge the light divergence angle of the LED tube lamp. | 12-15-2011 |
20110317437 | LED ILLUMINATING DEVICE - An LED illuminating device includes a base plate, a substrate mounted on the base plate, a connector, a hollow heat sink including two opposite open ends and at least one support portion formed at an inside lateral surface thereof, and a driving circuit. The base plate and the connector are respectively connected to the two opposite open ends of the heat sink. A top wall of the at least one support portion contacts and supports the base plate for transferring the heat generated by the LEDs from the base plate to the heat sink. | 12-29-2011 |
20120013251 | LED ILLUMINATING DEVICE - An LED illuminating device includes a hollow housing including an open end and a closed end opposite to the open end, an LED substrate, a connector, a base held inside the housing; and a driving circuit accommodated in the base. A number of first vents are arranged on the lateral surface of the housing adjacent to the closing end, a number of second air vents are arranged on the lateral surface of the housing adjacent to the open end, and a space is formed between the surface of the base and the inner wall of the housing and communicated with the first vents and the second vents. | 01-19-2012 |
20120020066 | LED LIGHTING DEVICE - An LED lighting device includes a reflector, a plurality of LED light sources and a light guiding member. The light guiding member is arranged inside the reflector, and includes a plurality of plates each having a connecting end, wherein the connecting ends of the plurality of plates are connected together. Each plate includes two surfaces, one or two of which includes a plurality of accentuated portions, and one of the plates defines a light incident surface opposing the LED light sources. After entering the light guiding member from the light incident surface, the light from the LED light sources is reflected between opposite surfaces of each plate of the light guiding member. Light reaching the accentuated portions is diffused and exits the light guiding member, to be finally transmitted outside through the reflector. | 01-26-2012 |
20120020069 | SURFACE LIGHT SOURCE DEVICE - A surface light source device includes a lamp post, a number of light sources distributed in rows on the side surfaces of the lamp post, and a number of first prism sheets and second prism sheets arranged around the lamp post in that order. Each of the first prism sheets and the second prism sheets includes a light incident surface and a light exit surface opposite to the light incident surface. Each of the light exit surfaces includes a number of substantially parallel elongated protrusions, and the longitudinal directions of the elongated protrusions of the first prism sheet and the second prism sheet are substantially perpendicular to each other. The first prism sheets and the lamp post are approximately spaced by a first predefined distance, and the second prism sheets and the first prism sheets are approximately spaced by a second predefined distance. | 01-26-2012 |
20120020077 | LED LIGHTING DEVICE - An LED lighting device includes an encapsulation, a number of LED light sources and a light guiding member. The light guiding member is arranged inside the encapsulation, and includes two opposite curve surfaces, at least one of which defines a number of accentuated portions. One end of the light guiding member defines a light incident surface opposing the LED light sources. After entering the light guiding member from the light incident surface, the light beams from the LED light sources are reflected between opposite surfaces of the light guiding member. The light beams reaching the accentuated portions are diffused and exit the light guiding member, and finally being transmitted outside through the encapsulation. | 01-26-2012 |
20120020078 | SURFACE LIGHT SOURCE DEVICE - A surface light source device includes a number of light sources, a first prism sheet and a second prism sheet. The light sources are distributed on a bottom plate of a housing. The first prism sheet and the second prism sheet are arranged above the light sources in that order. The light sources and the first prism sheets are spaced by a first predefined distance, and the first prism sheets and the second prism sheets are spaced by a second predefined distance. The light emitting surface of the first prism sheet includes a number of first diffusion structures, and the light emitting surface of the second prism sheet includes a number of second diffusion structures. Light beams emitted by the light sources are substantially diffused after passing through the first prism sheet and the second prism sheet and become surface light beams. | 01-26-2012 |
20120020079 | SURFACE LIGHT SOURCE DEVICE - A surface light source device includes a number of light sources, a first prism sheet and a second prism sheet. The light sources are distributed on a bottom plate of a housing. The first prism sheet and the second prism sheet are arranged above the light sources in that order. The light sources and the first prism sheets are spaced by a first predefined distance, and the first prism sheets and the second prism sheets are spaced by a second predefined distance. The light emitting surface of the first prism sheet includes a number of substantially parallel elongated protrusions, and the light emitting surface of the second prism sheet includes a number of elongated V-shaped ridge structures extending along different directions. Light beams emitted by the light sources are substantially diffused after passing through the first and the second prism sheet and become surface light beams. | 01-26-2012 |
20120020108 | LED LIGHTING DEVICE - An LED lighting device includes at least one circuit board, an encapsulation, a number of LED light sources, and a light guiding member. The LED light sources are distributed on the circuit board. The encapsulation is arranged around the light guiding member. The light guiding member includes two opposite surfaces, at least one of which defines a number of accentuated portions. At least one end of the light guiding member includes a light incident surface opposing the LED light sources. After entering the light guiding member from the light incident surface, the light beams from the LED light sources are reflected between the opposite surfaces of the light guiding member. The light beams reaching the accentuated portions are diffused and exit the light guiding member, and are finally transmitted to outside through the encapsulation. | 01-26-2012 |
20120075845 | TWO-COLOR MIXING LED ILLUMINATING DEVICE - An LED illuminating device comprises a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and comprises a number of V-shaped micro-grooves formed thereon along two directions intersecting with each other. The circuit board fixed on the base plate, wherein a plurality of LED units are arranged on the circuit board, each adjacent two of the plurality of LED units are spaced for a preset distance and emit light of different color; four virtual mixed light sources are formed by reflection of the prism sheet to the circuit board when the light emitted by a particular LED unit mixes with light emitted by adjacent LED units on circuit board, each of the virtual mixed light sources forms a desired color different from the light emitted from each LED units. | 03-29-2012 |
20120075846 | TWO-COLOR MIXING LED ILLUMINATING DEVICE - An LED illuminating device comprises a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and comprises a number of V-shaped micro-grooves formed thereon along four directions intersecting with each other. The circuit board is fixed on the base plate, wherein a plurality of LED units is arranged on the circuit board. Each two adjacent LED units are spaced a preset distance and emit light of different colors. Eight virtual mixed light sources are formed by reflection of the prism sheet to the circuit board when the light emitted by one of the LED units mixes with light emitted from adjacent LED units on the circuit board. Each of the virtual mixed light sources has a color different from the colors of the light emitted from the LED units. | 03-29-2012 |
20120075847 | TWO-COLOR MIXING LED ILLUMINATING DEVICE - An LED illuminating device comprises a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and comprises a number of V-shaped micro-grooves formed thereon along three directions intersecting with each other. The circuit board is fixed on the base plate, wherein a plurality of LED units are arranged on the circuit board, each two adjacent LED units are spaced a preset distance apart from each other and emit light of different colors. Six virtual mixed light sources are formed by reflection of the prism sheet to the circuit board when the light emitted by an LED unit mixes with light emitted from adjacent LED units on the circuit board. Each of the virtual mixed light sources has a color different from the colors of the light emitted from the LED units. | 03-29-2012 |
20120075850 | LED LAMP - An LED lamp includes a base, an encapsulation, a substrate and a light distribution board. A number of light emitting diodes are mounted on the substrate. The encapsulation, the substrate and the light distribution board are all fixed to the base. Opposite sides of the light distribution board respectively face the encapsulation and the substrate. The light distribution board includes a number of protrusions. The protrusions totally reflect the incident light beams from the light emitting diodes perpendicular to or substantially perpendicular to the light distribution board. | 03-29-2012 |
20120075851 | THREE-COLOR MIXING LED ILLUMINATING DEVICE - An LED illuminating device comprises a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and comprises a number of V-shaped micro-grooves formed thereon along two directions intersecting with each other. A plurality of LED units are arranged in groups on the circuit board. Each LED illuminating group comprises three LED units. Each of the LED units emits light of a color different from those of the other two LED units. Four virtual mixed light sources are formed by the reflection of the prism sheet to the circuit board when the light emitted by a particular LED unit mixes with light emitted by adjacent LED units on the circuit board. Each of the virtual mixed light sources forms a desired color different from the colors of the light emitted from the LED units. | 03-29-2012 |
20120075852 | THREE-COLOR MIXING LED ILLUMINATING DEVICE - An LED illuminating device comprises a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and comprises a number of V-shaped micro-grooves formed along two directions intersecting with each other. A plurality of LED units are arranged on the circuit board in groups, each group comprises four LED units, the four LED units totally emitting light of three colors. Two adjacent groups share a LED unit. Four virtual mixed light sources are formed by reflection of the prism sheet to the circuit board. Each of the virtual mixed light sources forms a desired color different from the colors of the light emitted from the LED units. | 03-29-2012 |
20120075869 | LED ILLUMINATING DEVICE WITH PRISM SHEET - An LED illuminating device contains a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and includes a number of V-shaped micro-grooves along at least two directions intersecting with each other. The circuit board arranged multiple of LED illuminating arrays is fixed on the base plate. Each LED illuminating array is made of two LED units spaced apart a third preset distance. At least four virtual light sources are formed by the reflection of prism sheet to the circuit board after the light emitted by a particular LED unit on the circuit board. The rows and the columns of the matrix are respectively spaced apart a first preset distance and a second preset distance. | 03-29-2012 |
20120087119 | LED LAMP - An LED lamp includes a base, a lampshade, a substrate and a light distribution board. A number of light emitting diodes are mounted on the substrate. The lampshade and the substrate are both fixed to the base. The light distribution board is positioned between the lampshade and the substrate. Opposite sides of the light distribution board respectively face the lampshade and the substrate. The light distribution board includes a number of protrusions. The base includes an oblique reflecting portion at opposite ends thereof. The reflecting portion is coated with a reflecting layer. The protrusions are configured for totally reflecting incident light with incident angle within a preset range from the light emitting diodes to the reflecting layer. The reflecting layer is configured for reflecting the reflected light to the lampshade. | 04-12-2012 |
20120105308 | SPHERICAL DISPLAY DEVICE - A spherical display device includes a frame, a plurality of first display units and a plurality of second display units fixed on the frame. The first display panel units and the second display panel units being joined together and electrically connected to each other to cooperatively form a spherical structure with a spherical display surface. When the first display units and the second display units work together to corporately display an object, viewers can view the object in view angle of 360 degree. | 05-03-2012 |
20120106134 | LED CEILING LAMP - An LED ceiling lamp includes a primary illumination unit and at least one subsidiary illumination unit. The primary illumination includes a base and a connecting member to fix the base to a ceiling. Each of the at least one subsidiary illumination unit is fixed to the base and faces the ceiling. Each of the at least one subsidiary illumination unit comprises a circuit board with an LED unit, a lens and a reflector. The lens covers the circuit board. The circuit board and the lens are received in the reflector. The lens is configured for dividing the light beams from the LED units into several light groups. An aphotic area is formed between each two adjacent light groups. The reflector is configured for reflecting the several light groups on the ceiling. | 05-03-2012 |
20120106144 | LED TUBE LAMP - A LED tube lamp includes a heat sink, a LED substrate, a pair of connectors, and a cover fixed to the heat sink. The cover includes a first cover and a second cover, at least one optical lens is arranged on the first cover, the at least one optical lens comprises a concave lens and reflective lenses arranged on both sides of the concave lens. The concave lens is configured to refract light beams from the LEDs in a forward direction or in an approximate forward direction, the reflective lenses are configured to reflect light beams from the LEDs in a lateral direction. After the light beams are refracted by the optical lens, the light divergence angle of the LED tube lamp is increased. | 05-03-2012 |
20120127728 | LIGHT DISTRIBUTION STRUCTURE FOR LED LIGHT SOURCE - A light distribution structure for a light emitting diode includes a lens, a light distribution member, and a reflection member. The lens is fixed to the light distribution member. The reflection member is fixed to the lens and faces the light distribution member. The reflection member includes a protrusion opposing the light emitting diode. The light distribution member defines a through hole for receiving the light emitting diode. The light distribution member is formed with a plurality of reflection portions on a side facing the lens. The reflection portions are inclined relative to the bottom of the light distribution member. The protrusion is capable of reflecting the light beams with incident angle within a preset range entering the protrusion from the light emitting diode to the reflection portions. The reflection portions are capable of reflecting the light beams reaching the reflection portions to the lens. | 05-24-2012 |
20120155072 | LED TUBE LAMP - An LED tube lamp includes a heat sink, an LED substrate, a cover fixed to the heat sink. The cover includes a first surface, a second surface and at least one incident end facing the LEDs, each of the at least one incident end includes an incident face and a reflective face. Light beams from the LEDs enter the cover from the incident face and are reflected by the reflective face, the light beams reflected by the reflective faces are internally reflected by the first surface and the second surface until escaping outside through the cover. | 06-21-2012 |
20120161627 | LED ILLUMINATING DEVICE - An LED illuminating device includes a housing including a first open end and a second open end, and a base including an upper base fixed on the first open end and a bottom base held inside the housing. An LED substrate is mounted on the upper base and includes a number of LEDs. A number of first vents are defined in the upper base, and a number of second vents are defined on the second open end of the housing. A space is formed between the lateral wall of the bottom base and the inside wall of the housing, and communicates with the first vents and the second vents. | 06-28-2012 |
20120161628 | LED ILLUMINATING DEVICE - An LED illuminating device includes a hollow base including a first end and a second end, an LED substrate, a connector, and a driving circuit module accommodated in the base. A plurality of vents are defined in a circumferential wall of the hollow base; a space is formed between a circumferential wall of the driving circuit module and the inner surface of the circumferential wall of the hollow base. The space can communicate with the plurality of vents and serve as a hot air channel, to promote heat exchange between hot air in the base and cool air outside the base. | 06-28-2012 |