"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 8169566 | Backlight unit and liquid crystal device having the same A backlight unit includes a light source, a lower frame including of a lighting unit supporting portion for supporting the light source and a liquid crystal display (LCD) panel supporting portion having a lower thermal conductivity than the lighting unit supporting ... | 05/01/2012 |
| 8159633 | 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... | 04/17/2012 |
| 8154684 | Light emission device and display device using the light emission device as a light source A light emission device including: a light emission panel including at least two emissive regions spaced apart from each other and a non-emissive region between the emissive regions; and a light diffuser located in front of the light emission panel, the light diffus... | 04/10/2012 |
| 8154685 | Planar illumination device, and image display device A laser light source (1) emits a beam. A collimator lens (2) converts the beam emitted from the laser light source (1) into first substantially parallel light. A lenticular lens (3) expands a beam of the first substantially parallel light... | 04/10/2012 |
| 8134657 | Optical component, lighting device and display device One embodiment of the present invention is an optical component, including a first main surface and a second main surface wherein a plurality of two-dimensionally arranged first convex parts are arranged on the first main surface, each of the first convex parts bein... | 03/13/2012 |
| 8134656 | Backlight device, display device, and television receiver A backlight device is provided with a cold cathode fluorescent tube as a first light source that emits light of green, and a cold cathode fluorescent tube as a second light source that can be switched on independently from the first light source and emits light of r... | 03/13/2012 |
| 8125590 | Optical film, backlight unit including the same and liquid crystal display device having the same An optical film, a backlight unit having the same, and a liquid crystal display device having the same are disclosed. The optical film comprises a base film and a plurality of structures disposed on the base film, at least one of the structures comprising a pluralit... | 02/28/2012 |
| 8125589 | Direct-LIT liquid crystal displays with laminated diffuser plates In a directly-illuminated liquid crystal display (LCD), for example an LCD monitor or an LCD-TV, a number of light management films, including a diffuser layer, lie between the light source and the LCD panel to provide bright, uniform illumination. The diffuser laye... | 02/28/2012 |
| 8115888 | Liquid crystal display device A liquid crystal display device includes a light source, at least one optical member having a periodic structure of 75 μm or more, pixels disposed in a matrix state, and at least one optical member with light scattering properties. ... | 02/14/2012 |
| 8115889 | Backlight unit and liquid crystal display device including the same A lamp guide includes: a horizontal part; at least one supporting part extending from a front surface of the horizontal part; a plurality of holding parts on the front surface of the horizontal part, each of the plurality of holding parts holding a lamp and twisted ... | 02/14/2012 |
| 8111353 | Lens array sheet, light source and liquid crystal display device A lens array sheet includes a lens layer having a lens surface on which a plurality of lenses are formed in an array, a light reflection layer arranged at an opposite side to the lens surface of the lens layer and having an opening within a light focusing region in ... | 02/07/2012 |
| 8111352 | Anisotropic optical device with varying local imagewise and method for making same The present invention relates to a new optical component comprising an anisotropic diffuser (5,10) with patterned anisotropy; and means (9, 11, 14, 16, 17, 20, 21, 30, 32) for providing a colorshift observable upon changing viewing angle (6) and... | 02/07/2012 |
| 8107035 | Laser backlighting for displays Displays such as LCD panels are illuminated using frequency-doubled vertical extended cavity surface emitting lasers (VECSELs) as efficient light sources. Visible light from the VECSELs are directed to an illuminating panel using optical fibers and/or optical gratin... | 01/31/2012 |
| 8102485 | Electro-optical device including prismatic condensing layers An electro-optical device includes: an electro-optical panel that includes a plurality of pixels each of which is equipped with a light transmissive region are arranged along a plane, the light transmissive regions being formed with a first arrangement period in a f... | 01/24/2012 |
| 8094260 | Back light module and liquid crystal display A liquid crystal display (LCD) including an LCD panel and a back light module is provided. The back light module is disposed below the LCD panel. The back light module includes a planar light source, a reflective polarized light enhancement film, a first prism film ... | 01/10/2012 |
| 8081271 | Backlight apparatus and liquid crystal display apparatus A backlight apparatus is provided that enables a balance of brightness to be maintained over the entire area of a display screen and long life to be achieved. The surface of substrate 130 is opposite the rear surface of liquid crystal panel 110. LEDs | 12/20/2011 |
| 8057058 | Lighting device for display device, display device and television receiver A lighting device for a display device includes a light source, an optical member arranged on the light emitting side of the light source, and a support member arranged to support the optical member from the light source side. A recess portion arranged to accommodat... | 11/15/2011 |
| 8049837 | Multilayer film, backlight unit and liquid crystal display having the same The present invention is directed to a multilayer film. The present invention is also directed to a backlight unit and a liquid crystal display into which the multilayer film is incorporated. The backlight unit comprises a light source; and a multilayer film dispose... | 11/01/2011 |
| 8045093 | Backlight unit and liquid crystal display device having the same A backlight unit for slimmed structure and exhibiting uniform brightness through the improvement of its luminance efficiency and the quality in appearance of which is improved by the removal of bright lines, and a liquid crystal display device having the same are di... | 10/25/2011 |
| 8045094 | Backlight device, display device, and television receiver A backlight device capable of preventing or reducing, even when an optical sheet bends, occurrence of luminance nonuniformity and/or shades due to the bend. The backlight device 1 controls the properties of light emitted by a light source 12 using two ... | 10/25/2011 |
| 8040463 | Semiconductor light-emitting device The device includes a support substrate, a reflective electrode on the support substrate; an AlGaInP-based semiconductor film including a light-emission layer and is provided on the reflective electrode, and a surface electrode provided on the semiconductor film. Th... | 10/18/2011 |
| 8040461 | Compound diffusion plate structure, backlight module, and liquid crystal display A liquid crystal display, comprising: a liquid crystal display panel and a backlight module. The backlight module comprising: a reflection unit, a light emitting unit, and a compound diffusion plate structure. The light emitting unit has a plurality of light emittin... | 10/18/2011 |
| 8040462 | Liquid crystal display device The present invention can provide an optical device, an optical uniform device, an optical sheet and a backlight unit and a display apparatus. In the present invention, a lamp image can be removed by uniformly emitting incident light from a plurality of light source... | 10/18/2011 |
| 8023068 | Optical sheet, backlight unit, and liquid crystal display An optical sheet, a backlight unit including the optical sheet, and a liquid crystal display including the backlight unit are provided. The optical sheet includes a base film including a first surface and a second surface opposite the first surface and a plurality o... | 09/20/2011 |
| 8023067 | Liquid crystal display device and fabricating method thereof A liquid crystal display device that reduces manufacturing cost, contributes to a thin profile, and generates uniform brightness, and a fabricating method thereof are disclosed. In the liquid crystal display device, a liquid crystal display panel is prepared.... | 09/20/2011 |
| 8009243 | Light diffusion device, backlight module and liquid crystal display A light diffusion device including a light incident surface and a light exit surface is provided. The light exit surface has at least one light scattering pattern. A trajectory of the light scattering pattern is a continuous curve. The continuous curve is winded to ... | 08/30/2011 |
| 7995159 | Liquid crystal display apparatus A liquid crystal display apparatus, includes a liquid crystal panel including a first substrate, a second substrate disposed in an opposing relationship to the first substrate with a space left, and a liquid crystal layer provided in the space between the first and ... | 08/09/2011 |
| 7995160 | Prism sheet and liquid crystal display having the same Disclosed are a prism sheet and a liquid crystal display having the same. The prism sheet includes a base and a plurality of prism mountains. The base includes a front surface and a rear surface facing the front surface. The prism mountains are integrally formed wit... | 08/09/2011 |
| 7990491 | Liquid crystal display device A liquid crystal display device has a thin structure with a backlight device appropriate for illuminating a liquid crystal panel where there is no area in band form where the brightness is inconsistent. The size of the diffusion plate that forms the optical sheet of... | 08/02/2011 |
| 7982824 | Liquid crystal display device Disclosed is a liquid crystal display device including an optical member with a region using an optical component such as a light emitting diode (LED) used as a backlight source, namely, a light characteristics changing layer for changing a spectrum distribution and... | 07/19/2011 |
| 7978286 | Illumination unit and liquid crystal display device An illumination unit includes a light guide having an incidence surface, a frame which is spaced apart from the incidence surface of the light guide, an accommodation section which is formed between the incidence surface of the light guide and the frame, and a light... | 07/12/2011 |
| 7973878 | Diffuser for light from light source array and displays incorporating same An optical structure placeable between a backlight array of point light sources and a planar display. The structure distributes light emitted by the point light sources to uniformly illuminate the plane of the display, without introducing significant viewing paralla... | 07/05/2011 |
| 7973879 | Backlight unit and liquid crystal display device having first and second diffusion layers that have different haze values A backlight unit for a liquid crystal display device includes a reflection sheet, at least one lamp arranged over the reflection sheet, a diffuser plate over the at least one lamp, the diffuser plate including a base plate of a transparent material, a diffusion laye... | 07/05/2011 |
| 7961270 | Display device with low scratch visibility and manufacturing method thereof A display device and a manufacturing method thereof are provided. The display device includes a light guide, a light source, and a brightness enhancement film (BEF), and a dual brightness enhancement film (DBEF). The light guide has a first edge along a first direct... | 06/14/2011 |
| 7956954 | Optical sheet, backlight unit, and liquid crystal display An optical sheet, a backlight unit including the optical sheet and a liquid crystal display including the backlight unit are disclosed. The optical sheet includes a reflective polarizing film, and a first diffusing layer on the reflective polarizing film. The first ... | 06/07/2011 |
| 7948580 | Liquid crystal display A liquid crystal display includes a backlight (3), a liquid crystal display panel (1), and a viewing angle control panel (2) for controlling the viewing angle of the display panel (1), the liquid crystal display further including a lens s... | 05/24/2011 |
| 7944526 | Liquid crystal display device with a backlight unit having a diffusion plate A liquid crystal display device having a direct backlight which uses a high-bright light source achieves both of a high efficiency and thin uniformity. In a liquid crystal display device which includes a liquid crystal panel, and a backlight unit which is arranged o... | 05/17/2011 |
| 7940352 | Light diffusion module and a back light module using the same A light diffusion module and a back light module using the same. The light diffusion module is disposed corresponding to the light source module of the back light module. The light diffusion module includes a first diffusion layer and the second diffusion layer. The... | 05/10/2011 |
| 7940351 | Image display apparatus An image display apparatus includes: a plurality of light sources for emitting light; an optical uniformizing portion for uniformizing light emitted from the plurality of light sources; a total reflection portion disposed above the plurality of light sources, the to... | 05/10/2011 |
| 7932967 | Brightness enhancement film-laminated light diffuser plate and method for producing the same The present invention provides a brightness enhancement film-laminated light diffuser plate which can sufficiently prevent scratching, and also can ensure sufficient brightness. The brightness enhancement film-laminated light diffuser plate of the present invention ... | 04/26/2011 |