Patent application number | Description | Published |
20080252853 | COLOR-MIXING LASER MODULE AND PROJECTORS USING THE SAME - A color-mixing laser module is disclosed, which is comprised of a laser unit capable of emitting red, blue and green laser beams; a beam combiner, for receiving and converging the laser beams emitted from the laser unit and then directing the converged laser light to illuminate on a light pattern adjusting unit; and the light pattern adjusting unit, capable of receiving the converged laser light from the beam combiner for adjusting the pattern of the same. | 10-16-2008 |
20090190096 | AUTOSTEREOSCOPIC DISPLAY - An autostereoscopic display includes a plurality of micro-projection modules, wherein each of the micro-projection modules projects a sectional image of a 3-D image formed by combining a plurality of images in different viewing-angles. The autostereoscopic display further includes a viewing zone modulating screen having a plurality of image regions for respectively receiving the corresponding sectional images to form a plurality of images corresponding to different viewing-angles, wherein two images belonging to different viewing-angles establish a stereo display image. | 07-30-2009 |
20110079804 | POLARIZED LIGHT EMITTING DIODE DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a polarized light emitting diode (LED) device and the method for manufacturing the same, in which the LED device comprises: a base, a light emitting diode (LED) chip, a polarizing waveguide and a packaging material. In an exemplary embodiment, the LED chip is disposed on the base and is configured with a first light-emitting surface for outputting light therefrom; and the waveguide, being comprised of a polarization layer, a reflection layer, a conversion layer and a light transmitting layer, is disposed at the optical path of the light emitted from the LED chip; and the packaging material is used for packaging the waveguide, the LED chip and the base into a package. | 04-07-2011 |
20110242457 | COMPOSITE COLOR SEPARATION SYSTEM - A composite color separation system, comprises: a light control module, a light guide module and a light splitting module. The light control module has a lighting unit and a lens unit, in which the lighting unit includes an array of lighting elements whereas there are at least two types of lighting elements in the array for emitting at least two beams of different wavelengths. The light from the lighting unit is directed to enter the lens unit before being discharged out of the light control module. The light guide module comprises: a first light incident surface, for receiving the beams from the light control module; a first light emergence surface; and a light guide structure, for guiding the beams to the first light emergence surface where they are discharged out of the light guide module to the light splitting module. The light splitting module is used for splitting the beams. | 10-06-2011 |
20120107977 | POLARIZED LIGHT EMITTING DIODE DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a polarized light emitting diode (LED) device and the method for manufacturing the same, in which the LED device comprises: a base, a light emitting diode (LED) chip, a polarizing waveguide and a packaging material. In an exemplary embodiment, the LED chip is disposed on the base and is configured with a first light-emitting surface for outputting light therefrom; and the waveguide, being comprised of a polarization layer, a reflection layer, a conversion layer and a light transmitting layer, is disposed at the optical path of the light emitted from the LED chip; and the packaging material is used for packaging the waveguide, the LED chip and the base into a package. | 05-03-2012 |
20120229532 | Color LED Display Device Without Color Separation - A color LED display device without color separation comprises a substrate, a plurality of display units, a power supply unit, and a control unit. Each display unit comprises a driving chip, at least one red-light LED chip, at least one green-light LED chip, at least one blue-light LED chip, and a micro optical device assembly. The micro optical device assembly is disposed above the red-light, green-light and blue-light LED chips. When the control unit controls the display unit to emit light, the red-light, green-light and blue-light LED chips emit red, green and blue lights respectively and simultaneously. The red, green and blue lights pass through the micro optical device assembly, such that the light paths of the red, green and blue lights are changed and the three lights are combined on a two-dimensional plane. Therefore, the color separation phenomenon of the conventional color LED display device is solved. | 09-13-2012 |
20120243104 | Head-up Display - The present invention discloses a head-up display (HUD) comprising an image display element, a plurality of light sources and a set of light guide components, wherein after a light beam of each light source is projected into the set of light guide components, paths of all light beams are regulated by the light guide components to deflect and concentrate at a driver's viewing range to enhance the light intensity of each light beam, and each area of the image display element is illuminated by a portion of the light sources only, so as to reduce the quantity of required light sources and achieve an overall light and thin effect of the head-up display (HUD). | 09-27-2012 |
20120327199 | AUTOSTEREOSCOPIC DISPLAY WITH MODULATING SCREEN HAVING MULTIPLE SECTIONAL IMAGES - An autostereoscopic displaying unit is for displaying an image, which includes a plurality of viewing-zone images corresponding to a plurality of viewing zones. The autostereoscopic displaying unit includes a viewing zone adjusting module for adjusting a content of each pixel of the image corresponding to a determined one of the viewing zones according to a viewing-zone shifting information. The viewing-zone shifting information includes a viewing-zone correction for distortion of a projection lens, and the image is then modified as an adjusted image. A projection module with the projection lens projects the adjusted image. A viewing zone modulating screen receives and displays the adjusted image. | 12-27-2012 |
Patent application number | Description | Published |
20100165598 | MICROSTRUCTURAL POLARIZED LIGHT-GUIDE DEVICE - A microstructural polarized light-guide device comprises an unpolarized light source module, a subwavelength polarization beam splitter structure and a polarization conversion module, the unpolarized light source module comprises a light-guide plate and a light source at the edge of the light-guide plate, the material of the light-guide plate is PMMA with the characteristic of high transparency, the surface of the light-guide plate has a plurality of extraction patterns, the polarization beam splitter structure is a nano-scale structure and comprises a dielectric nanograting layer and a metallic nanograting layer, and the dielectric nanograting layer and the metallic nanograting layer are vertically stacked with each other, the dielectric nanograting layer is integrated with a surface opposite to the surface with the plurality of extraction patterns, the polarization conversion module is disposed on the surface with the plurality of extraction patterns of the light-guide plate. | 07-01-2010 |
20100182516 | COMPLEX IMAGE DISPLAY DEVICE - A complex image display device comprises a light source, an illumination optical module, a micro display module, at least one optical projection module, at least one image-light-path switch module, an image-light-path control unit, and at least one image display screen, wherein the light source provides a light beam, the illumination optical module receives and shapes the light beam, continuously the light beam is projected by the illumination optical module. The micro display module provides an image-to-be-displayed and the light beam is then modulated by the image to become at least an image-modulated light beam for displaying. Then, the optical projection module receives and magnifies the image-modulated light beam. Continuously, the image-light-path switch module receives the magnified image-modulated light beam and switches the light path of the light beam. The image display screen, thus, receives and displays the magnified image-modulated light beam, which is switched by the image-light-path switch module. | 07-22-2010 |
20100328773 | LASER SYSTEM AND LASER BEAM SHAPING AND HOMOGENIZING DEVICE THEREOF - A double-sided microlens array is applied to a laser beam shaping and homogenizing device of a laser system. The double-sided microlens array is able to shape the energy distribution of an incident laser beam to a square and flat-top beam with the average uniformity of energy and comprises a base plate, a plurality of first micro lenslets and a plurality of second micro lenslets. The first micro lenslet and the second micro lenslet have the convexes with the same figures and comply with the classification of an optical diffractive element, the first micro lenslets and the second micro lenslets are disposed on the first surface and the second surface of the base plate, which are corresponding to each other in order to tightly line up the arrangements of arrays. The first micro lenslets and the second micro lenslets are correspondingly misalignment. | 12-30-2010 |
20130188390 | COLOR FILTER AND EDGE-TYPE BACKLIGHT MODULE USING THE SAME - A color filter comprises a first filter element and a second filter element. The first filter element includes a plurality of arrayed filter regions allowing a first spectral component of incident light to pass and reflecting other spectral components of the incident light. The second filter element includes a plurality of arrayed filter regions allowing a second spectral component of the incident light to pass and reflecting other spectral components of the incident light. The center of the filter regions of the second filter element is deviated from the center of the filter regions of the first filter element so that the light reflected from the first filter element can pass through the second filter element. Thereby is enhanced the energy efficiency of the color filter. An edge-type backlight module using the abovementioned color filter is also disclosed. | 07-25-2013 |
20130215506 | REFLECTIVE POLARIZER - A reflective polarizer comprises a light-permeable substrate and a grating structure. The grating structure is disposed on the light-permeable substrate and includes a first grating layer and a second grating layer. The first grating layer includes a first array containing a plurality of first metallic units. The second grating layer is stacked on the first grating layer and includes a second array containing a plurality of second metallic units. The first metallic units and the second metallic units are respectively made of different metallic materials. The abovementioned reflective polarizer can improve the transmittance of the short-wavelength light and the spectral response uniformity of the element without increasing the difficulty of fabricating the molds of the nanograting structure. | 08-22-2013 |
20140063359 | Sectional Dynamic-Driving Backlight Module and Head-up Display Device Thereof - The present invention relates to a sectional dynamic-driving backlight module and a head-up display device thereof. The sectional dynamic-driving backlight module comprises an optical-directional lens unit and an optical-homogenizing unit. The optical-directional lens unit is provided for converging the light beams emitted by the light source assemblies in the backlight module into light beams with a smaller divergent angle, and the optical-homogenizing unit is used for further homogenizing the light beams, so as to make all display regions of the LCD show a uniform illumination. Therefore, all images showed on an eyebox of the driver are distinct. Besides, each of the light source assemblies consist a red-light LED chip, a green-light | 03-06-2014 |
20140085718 | PROJECTION SCREEN AND PROJECTION SYSTEM THEREOF - A projection screen includes a substrate having a projection area for a projection device to project an image onto the projection area. The projection area includes a plurality of arrayed optical regions, and each pixel of the image corresponding to the at least one optical region. Each of the optical regions includes a first optical sub-region and a second optical sub-region with different optical characteristics, such as reflective scattering, transmissive scattering, simple transmission or specular reflection. The above-mentioned projection screen with the optical characteristics of two or more, for example, can be at the same time as the front projection screen and the rear projection screen, or allows the user to watch background image behind the projection screen. A projection system including the above-mentioned projection screen is also disclosed. | 03-27-2014 |
20140118663 | COLOR SEPARATION SYSTEM - The present invention discloses a color separation system, which uses a plurality of arrayed light source modules to generate light beams having different colors and separated spatially, and which uses a light guide module and an optical lens array to project the light beams having different colors to the display panel of an LCD device in an arrayed form, whereby the color separation system is exempted from using an absorption-type color filter, wherefore the light energy utilization rate is greatly increased. Further, the present invention arranges a reflection-type polarization element on the light output side of the optical lens array and arranges a quarter-wave plate on the bottom face of the light guide module to replace the conventional absorption-type polarization element. Thus, the light energy utilization rate is further increased. Therefore, the present invention can save energy effectively. | 05-01-2014 |
20140320952 | Head-Up Display Device - A head-up display device operated in a vehicle comprises: a first image source disposed under the windshield of the vehicle, which emits a first polarized image light having a first polarization; a light path combining component in front of the first image source, which is for that the first polarized image light firstly goes to the light path combining component and only lets the first polarized image light be through and then the image light goes to the windshield, part of the image light is reflected by the windshield to a driver's eyes; and a second image source inside the vehicle, which emits a second polarized image light having a second polarization and then the image light directly goes to or reflects at least one time to the combining component, continuously to the windshield, and the second polarized image light is partially reflected by the windshield to the eyes. | 10-30-2014 |
20150015799 | PROJECTION SCREEN AND PROJECTION SYSTEM THEREOF - A projection screen includes a substrate and an optical microstructure. The substrate has a projection area for projecting an image onto the projection area. The projection area includes a plurality of arrayed optical regions. Each of the optical regions includes a first and second optical sub-region with optical characteristics of reflective scattering/transmissive scattering/specular reflection and simple transmission, wherein an area of the second optical sub-region is larger than that of the first optical sub-region. The optical microstructure is arranged on the substrate for guiding the light of the image to a specific direction. The above-mentioned projection screen with two or more optical characteristics, for example, can be at the same time as the front projection screen and the rear projection screen, or allows the user to watch background image behind the projection screen. A projection system including the above-mentioned projection screen is also disclosed. | 01-15-2015 |
20150022077 | DISPLAY SCREEN AND DISPLAY SYSTEMTHEREOF - A display screen includes a substrate and a fluorescent material. The substrate includes a plurality of pixel regions arranged in an array, wherein each pixel region includes a fluorescent region and a transparent region, and the area of the transparent region is larger than the area of the fluorescent region. The fluorescent material is arranged in the fluorescent region and excited by an excitation light to emit a visible light to form an image. The above-mentioned display screen allows a viewer to see the images formed by the fluorescent region and the environmental image at the other side of display screen. A display system including the above-mentioned display screen is also disclosed. | 01-22-2015 |
Patent application number | Description | Published |
20090252019 | MICRO OPTICAL PICKUP APPARATUS - This invention discloses a micro optical pickup apparatus for providing an incident light to an optical recording medium, receiving a reflected light from the optical recording medium, and thereby accessing data of the optical recording medium. The micro optical pickup apparatus includes a light source generating element for producing the incident light, an axial light splitting element allowing the incident light to pass through and deflecting the reflected light according to polarization directions of the incident and reflected lights, a polarization element disposed between the axial light splitting element and the optical recording medium is capable of changing the polarization directions of the incident light and reflected light of the optical recording medium, an astigmatic mirror for receiving, astigmatism focusing and reflecting the reflected light from the axial light splitting element, and an optical sensing element for receiving the reflected light from the astigmatic mirror and converting the reflected light into a corresponding electric signal. | 10-08-2009 |
20150029594 | Focus-Adjustable Device and System Thereof - The present invention relates to a focus-adjustable device and a system thereof, wherein the focus-adjustable device is fabricated by forming a single closed flow channel in the internal of a transparent substrate, so as to make the substrate and the single closed flow channel together form a specific lens structure similar to the Fresnel lens. In the present invention, when a light illuminates on one side of the substrate, the light would be concentrated at a specific focus point distancing from the other side of the substrate after being deflected by the specific lens structure. Moreover, a fluid having a specific refractive index can be filled into the single closed flow channel by a flow channel opening, so as to carry out the purpose of adjusting the focus of the specific lens structure; or to make the light parallelly pass through the specific lens structure without any deflection. | 01-29-2015 |
Patent application number | Description | Published |
20080285139 | Reflective image display system - A reflective image display system includes: at least one light source; at least one light guide set in front of the light source; an image panel set in front of the light guide; and a surface with the feature of at least partial specular reflection. Wherein the light emitted from the light source illuminates the image panel via the light guide to project an image on the image panel onto the surface and then be reflected to an observer, so as to form a virtual image observed by the observer. The light guide of the present invention can reduce the light loss of the reflective image display system and make the illumination light on the image panel more homogeneous and possessing high directionality, and so as to improve the brightness and quality of the virtual image formed by the reflective image display system. | 11-20-2008 |
20080291693 | STRUCTURE OF PLANAR ILLUMINATOR - A structure of a backlight module, which includes: a light source frame, including: a top plate having a plurality of slits; a bottom plate arranged apart from the top plate; and at least two edge plates arranged oppositely, wherein each of the edge plates has a top end and a bottom end, and both of the bottom ends are separately connected with the bottom plate; wherein the inner surfaces of the top plate, the bottom plate and the edge plates form a reflective cavity; and at least one light source arranged in the reflective cavity. There are several advantages of the backlight module according to the present invention, which includes: 1. the required uniformity and brightness of the backlight module are achieved; 2. its weight is largely reduced; and 3. it can be tiled up to form a large-area backlight module for a large size display. | 11-27-2008 |
20090159916 | LIGHT SOURCE WITH REFLECTIVE PATTERN STRUCTURE - A light source includes a substrate and a light-emitting unit. The substrate has a pattern structure, which includes a plurality of concave-convex structures. The light-emitting unit is formed on the pattern structure, and has a backlight surface connected to the pattern structure and a light outputting surface disposed opposite the backlight surface. The pattern structure reflects light, which is outputted from the light-emitting unit in a direction toward the backlight surface, to the light outputting surface. | 06-25-2009 |
20090163003 | MANUFACTURING METHOD OF SELF-SEPARATION LAYER - A manufacturing method of a self separation layer includes the steps of: forming a plurality of convex portions on a substrate; growing a main material layer on the convex portions; and separating the main material layer from the substrate. | 06-25-2009 |
20130052425 | MICRO-NANO COMPOSITE STRUCTURE AND PRODUCTION METHOD THEREOF - A micro-nano composite structure and production method thereof, whereby a micro structure is fabricated by a first layer material, and then a second layer material (such as: aluminum) covers the micro structure which conducts current through the second layer material forming an anodized aluminum to produce a nanostructure, and this nanostructure is layered on the micro structure. This structure, when completed, can be used as a mold, moreover by using nano-imprinting technology this structure can be transferred onto a transparent polymer material in a one-time production process to produce one micro-nano composite structure, and achieving a reduction of the reflection coefficients and an increased transmittance, as well as raising the usage rate of the integrated light. | 02-28-2013 |
20140168780 | BEAM GENERATING APPARATUS - A beam generating apparatus includes a laser light source, a speckle suppressing module, a light homogenizing module and a driving unit. The laser light source outputs a laser beam. The speckle suppressing module includes two biconic lenses and a diffuser. The first biconic lens is disposed on a transmission path of the laser beam. The diffuser is located on the transmission path of the laser beam between the first and second biconic lenses. The light homogenizing module is disposed on the transmission path of the laser beam from the second biconic lens. The driving unit drives the diffuser to move with respect to the laser beam so that the ratio of the M | 06-19-2014 |