| Patent application number | Description | Published |
|---|
| 20080253147 | BACKLIGHT UNIT HAVING IMPROVED CHROMATIC DISPERSION - Provided is a backlight device that includes: a light guide panel having a diffraction pattern for emitting light through an emission surface of the light guide panel by diffracting light entering the light guide panel; and a chromatic dispersion compensation member that is an optical transmitting member located on a light emission side of the light guide panel and has a lattice pattern having a depth in a direction vertical to the emission surface of the light guide panel. | 10-16-2008 |
| 20080291521 | REFLECTIVE UNIT USING ELECTROACTIVE POLYMER AND FLEXIBLE DISPLAY EMPLOYING THE REFLECTIVE UNIT - Provided are a reflective unit using an electroactive polymer and a flexible display. The reflective unit includes: an electroactive polymer layer which becomes strained when a voltage is applied thereto by an electrode; a light reflecting unit reflecting external light and having reflecting cells arranged on the electroactive polymer layer to be spaced apart from one another wherein a distance between the reflecting cells is changed according to the strain of the electroactive polymer layer; and a light blocking layer preventing external light from being reflected by the light reflecting unit and having blocking cells arranged over the light reflecting unit to be spaced apart from one another. | 11-27-2008 |
| 20080291525 | DISPLAY PIXEL USING ELECTROACTIVE POLYMER AND DISPLAY APPARATUS EMPLOYING THE SAME - Provided are a display pixel using an electroactive polymer and a display apparatus employing the display pixel. The display pixel includes: an electroactive polymer layer, of which shape and/or size is displaced when a voltage is applied thereto; a diffraction grating, of which a pitch and a diffraction angle change according to a displacement of the electroactive polymer layer; and a liquid crystal layer disposed on the diffraction grating and controlling gradation according to a voltage applied thereto. | 11-27-2008 |
| 20080303180 | METHOD OF MANUFACTURING ALL-IN-ONE TYPE LIGHT GUIDE PLATE - Provided is a method of manufacturing an all-in-one type light guide plate. The method includes: fabricating a master including a plurality of inverse-prism shape structures; forming an elastic mold by applying an elastomer on the master; and fabricating the all-in-one type light guide plate, on which a plurality of inverse-prism shape structures are integrally formed, by applying a light transmissive material on the elastic mold. | 12-11-2008 |
| 20080309857 | METHOD OF ADJUSTING PHOTONIC BANDGAP OF PHOTONIC CRYSTAL, METHOD OF MANUFACTURING REFLECTIVE COLOR FILTER USING THE SAME, AND DISPLAY DEVICE INCLUDING THE REFLECTIVE COLOR FILTER - Provided are a method of adjusting a photonic bandgap of a photonic crystal, a method of manufacturing a reflective color filter using the same, and a display device including the reflective color filter. The method of adjusting a photonic bandgap of a photonic crystal includes forming the photonic crystal having a photonic bandgap on a substrate, and changing the photonic bandgap by irradiating light onto the photonic crystal. In addition, the display device includes a backlight, a transflective liquid crystal panel including liquid crystal cells sealed between first and second substrates. Each liquid crystal cell corresponding to a pixel includes a transmissive area and a reflective area. A transmissive color filter is formed on the first substrate, which faces the backlight, and a reflective color filter is formed on each reflective area. | 12-18-2008 |
| 20090034295 | FRONT LIGHT UNIT AND FLAT PANEL DISPLAY APPARATUS HAVING THE SAME - Provided is a front light unit and a flat panel display apparatus that includes the front light unit. The front light unit includes a light source, a light guide plate that guides light emitted from the light source and comprises a rear surface through which the guided light is emitted and a front surface facing the rear surface, and a plurality of prism shape structures which are provided in one unit with the light guide plate and emits light totally reflected from the front surface of the light guide plate. The light guide plate and the prism shape structures are formed of a transparent elastic material. | 02-05-2009 |
| 20090046367 | REFLECTIVE PLATE, DISPLAY HAVING THE SAME, AND METHOD OF CONTROLLING DISTRIBUTION OF REFLECTED LIGHT - Provided are a reflective plate and a display, and a method of controlling a distribution of reflected light. The reflective plate includes a plurality of diffracting grating cells including gratings reflecting incident light, wherein the gratings are arranged at predetermined intervals, and at least one of an arrangement period and an arrangement direction of each of the gratings of the plurality of diffracting grating cells is adjusted to limit a distribution of reflected light. | 02-19-2009 |
| 20090091949 | ALL-IN-ONE TYPE LIGHT GUIDE PLATE AND BACKLIGHT APPARATUS EMPLOYING THE SAME - An all-in-one light guide plate, a backlight apparatus employing the same, and a method of manufacturing the all-in-one light guide plate are provided. The all-in-one light guide plate has a structure in which a plurality of protrusion type refractive elements for outputting light are integrated into the light guide member. It is possible to improve optical properties by more densely arranging the refractive elements with distance from the light source. | 04-09-2009 |
| 20090129119 | LIGHT GUIDE MEMBER, LIGHTING APPARATUS USING THE LIGHT GUIDE MEMBER, AND METHOD OF FABRICATING THE LIGHT GUIDE MEMBER - Provided are a light guide member, a lighting apparatus including the light guide member, and a method of fabricating the light guide member. The light guide member comprises: a body, which is formed as a transparent plate, including a first surface and a second surface facing the first surface; and a plurality of dimple type optical controllers formed beneath at least one of the first surface and the second surface and having reflective surfaces that reflect light proceeding between the first and second surfaces of the body toward at least one of the first and second surfaces. | 05-21-2009 |
| 20090291228 | METHOD AND APPARATUS FOR FORMING COLLOIDAL PHOTONIC CRYSTALS - A method for forming colloidal photonic crystals comprises; surrounding an outer circumference of a cylinder with a flexible substrate, spacing the cylinder a predetermined distance from a panel coated with a colloidal solution, and rotating the cylinder to form colloidal photonic crystals on the flexible panel. | 11-26-2009 |
| 20100118065 | Transflective display apparatus having all-in-one type light guide plate - A display apparatus according to example embodiments may include a light source; an all-in-one type light guide plate; a reflective plate; and a display panel. The all-in-one type light guide plate may include a light guide member and light emitting members, wherein the light guide member reflects light incident from the light source toward the light emitting members, and the light emitting members protrude from one side of the light guide member and emit light incident from the light guide member. The light guide member and the light emitting members may be integrally formed or individually combined to form an all-in-one type light guide plate. The display apparatus may form an image using light from a backlight unit and external light. | 05-13-2010 |
| 20100157200 | Backlight unit providing polarized light and display apparatus employing the same - Example embodiments relate to a backlight unit and a display apparatus employing the same. The backlight unit may include a light source; a polarization conversion unit configured to convert polarization of light incident from the light source; and a light guide plate configured to emit light incident through the polarization conversion unit. The light guide plate may include a plurality of light emitting portions configured to emit light through specular reflection. The light polarized by the polarization conversion unit may maintain its polarization state when it is subsequently emitted from the light guide plate. | 06-24-2010 |
| 20100177393 | Reflective structure, display apparatus including the reflective structure, and method of manufacturing the reflective structure and display apparatus - Example embodiments relate to a reflective structure, a display apparatus including the reflective structure, and a method of manufacturing the reflective structure and the display apparatus. A reflective structure according to example embodiments may include a plurality of nanoparticles of non-uniform size, which are arranged on a substrate, or an uneven element having a surface contour that resembles a plurality of nanoparticles; and a reflective layer covering the plurality of nanoparticles or the uneven element. The reflective layer may have a random/variable height. | 07-15-2010 |
| 20100181287 | BACKLIGHT HAVING ALL-IN-ONE TYPE LIGHT GUIDE PLATE AND METHOD OF MANUFACTURING ALL-IN-ONE TYPE LIGHT GUIDE PLATE - Provided is an all-in-one type light guide plate including a plurality of prism-shaped structures that are integrally formed on the all-in-one light guide plate and which totally internally reflect light incident from a light source and emit the totally internally reflected light. | 07-22-2010 |
| 20100186816 | SOLAR CELL - A solar cell, including a substrate, a first electrode disposed on the substrate, a photoelectric conversion layer disposed on the first electrode, and a second electrode disposed on the photoelectric conversion layer, wherein a grating is disposed on at least one of the first electrode and the second electrode. | 07-29-2010 |
| 20100208169 | Transflective display apparatus - Provided is a transflective display apparatus including a color reflective plate disposed at a light emitting surface of a light guide plate, and a display panel disposed at another surface of the light emitting surface of the light guide plate so that light emitted from a light source is reflected by a color reflective plate through the light guide plate and travels toward the display panel. | 08-19-2010 |
| 20100208493 | LIGHT GUIDE PLATE AND DISPLAY APPARATUS COMPRISING THE SAME - A light guide plate includes a plurality of quantum dots on at least one of a surface of the light guide plate and inside the light guide plate, wherein the plurality of quantum dots emit light having a different wavelength than a light incident thereto. | 08-19-2010 |
| 20100208497 | Light guide plates, display apparatuses using a light guide plate and methods of fabricating the same - Light guide plates having a filled-in type light emitting structure, display apparatuses using a light guide plate and methods of fabricating the same are provided, the light guide plates include a transparent light guide member, and a reflection member filled in the light guide member. The reflection member reflects light incident on the light guide member. The reflection member has a plurality of light exit holes through which light, reflected inside the light guide member, exits. | 08-19-2010 |
| 20100231501 | Transflective display apparatus - Provided is a transflective display apparatus including a light source, a light guide plate guiding light from the light source or incident external light toward the inside, emitting the light or the incident external light to a light emitting surface of the light guide plate, and including a diffusion reflective member formed on the light emitting surface, a color reflective member disposed in a lower portion of the light guide plate and including a plurality of arrayed color regions for reflecting light of a color, a light modulation member disposed in an upper portion of the light guide plate, modulating light, and forming an image, including a plurality of pixel regions corresponding to the plurality of color regions, respectively, each of the plurality of pixel regions including an effective region and an ineffective region, wherein the diffusion reflective member is disposed to face the ineffective region. | 09-16-2010 |
| 20110069039 | Multi-touch sensing display apparatus - A multi-touch sensing display apparatus is provided. The multi-touch sensing display apparatus may include a back light unit, a display panel, a sensor unit on a display surface of the display panel, and a touch light source unit providing light to be diffused by a touch of a user so that the sensor unit senses the touch of the user. The touch light source unit may include a touch light source and a transparent light guide plate. The transparent light guide plate may include a light guiding unit and a plurality of light emitting units integrally formed with each other as a single body, wherein the light guiding unit guides light from the touch light source to an inside thereof, and the plurality of light emitting units protrudes from the light guiding unit and emits light from the light guiding unit. | 03-24-2011 |
| 20110108779 | Method of manufacturing reflective color filter - Provided is a method of manufacturing a reflective color filter. According to the method, the reflective color filter may reflect light having a desired wavelength by controlling the distance between colloidal particles. The method of manufacturing a reflective color filter may include forming colloidal particles having a charged surface, forming colloidal crystals by controlling distances between the colloidal particles, and forming a photonic crystal composite by fixing the colloidal crystals having the colloidal particles. | 05-12-2011 |
| 20110149202 | LIGHT GUIDE PLATE FOR DISPLAYING THREE-DIMENSIONAL IMAGE, AND THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS EMPLOYING THE SAME - A light guide plate for displaying a three-dimensional (3D) image, and a 3D image display apparatus employing the same. The light guide plate includes a transparent body formed in a flat panel shape, and for guiding light with total internal reflection in the transparent body; and a plurality of viewing zone separation units aligned inside the transparent body. Light incident on two side surfaces of the light guide plate is separated into different viewing zones by reflective surfaces of the viewing zone separation units. | 06-23-2011 |
| 20110163066 | Methods of manufacturing surface light source devices - Provided are methods of manufacturing a surface light source device, the methods include forming a first structure that includes a first substrate and a plurality of glass beads each partially embedded in the first substrate. A second structure is formed that includes a second substrate and an adhesive material layer formed on the second substrate. The first structure and the second structure are adhered to each other in such a way that the glass beads are each partially embedded into the adhesive material layer. | 07-07-2011 |
