Patent application number | Description | Published |
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 |
20120260986 | System for Switching Focus Position - A system for switching a focus position comprises a plurality of active focus-switch devices capable of changing a focal length for several times, a plurality of objects to be focused, a plurality of incident light beams passing through the active focus-switch devices and then being focused on the objects to be focused, and at least one external power supply electrically connected to the active focus-switch devices, wherein the external power supply is electrically conducted or not conducted to the active focus-switch devices, and the plural incident light beams are focused on the objects to be focused by the active focus-switch devices, or the plural incident light beams passing through the active focus-switch device are projected to the outside in form of a plurality of exit light beams parallel to the plural incident light beams. | 10-18-2012 |
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 |
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 |
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 |
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 |
20080273143 | PASSIVE OPTICAL DEVICE AND LIGHT SOURCE MODULE - A passive optical device includes a first substrate, a second substrate, a stabilized liquid crystal (LC) layer and a surface micro-structure layer. The stabilized LC layer is disposed between the first substrate and the second substrate and has a polarization beam-splitting function via an aligning direction of liquid crystal molecules. The surface micro-structure layer is disposed on an exterior surface of at least one of the first substrate and the second substrate and used to produce a light-collecting effect. | 11-06-2008 |
20080273144 | DIFFUSING POLARIZER AND BACKLIGHT MODULE USING THE SAME - A diffusing polarizer including a substrate and a microstructure layer is provided. The micro-structure layer includes a solid phase liquid crystal having a birefringence feature. The diffusing polarizer is capable of both polarizing and diffusing incident light beams. A backlight module using the diffusing polarizer is also provided. | 11-06-2008 |
20080273349 | LIGHT SOURCE APPARATUS AND LIGHT REFLECTION DEVICE THEREOF - A light source apparatus including a light emitting module and a reflection microstructure layer is provided. The light emitting module emits a light. The reflection microstructure layer is disposed at the base of the light source apparatus and reflects an incident light emitted by the light emitting module in substantially a same direction. | 11-06-2008 |
20100149821 | LIGHT SOURCE PACKAGE STRUCTURE - The present invention relates to a light source package structure, which comprises: an accommodating space for accommodating a light source, a first refraction surface, and at least a second refraction surface. The first refraction surface receives light discharging from the light source while refracting the same to form a first refracting light, the upper part of the first refraction surface further comprising a refracting structure for refracting the light emitted from the light source. The second refraction surface receives and refracts the first refracting light to form a discharging light being emitted out of the light source package structure. Wherein, an included angle is formed between the normal vector of a portion of the second refraction surface and the central axis of the light source package structure. It is noted that the aforesaid package structure can be used in various packaging for improving refraction. In a preferred embodiment, a light source of light emitting diode (LED) is packaged by the light source package structure of the invention for enabling the light emitted from the LED to be discharged out of the package structure by a large angle after being refracted multiple times, so that the LED package structure can be adopted as a flat light source for diverse purpose applied in industry. | 06-17-2010 |