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| Number | Title | Issue Date |
| 8149350 | Optical element, and lighting device, display device and electronic device that use the optical element A micro-louver (1) includes: a transparent substrate (2); a concavoconvex shape portion (5) formed on at least one surface of the transparent substrate (2) and in a prescribed pattern for diffracting incident light to form an image; and a... | 04/03/2012 |
| 7768595 | Display device A display device includes a substrate, a pixel electrode formed on the substrate and allowing light to be transmitted therethrough, a micro-shutter electrode formed on the pixel electrode to be opened and closed, and a reflection preventing layer formed on an upper ... | 08/03/2010 |
| 7728925 | Light source, display device, portable terminal device, and ray direction switching element A planar light source includes a large variable width of an irradiation angle of illumination light, a display device having a large variable width of an angle of field that uses the planar light source, a portable terminal device that uses the display device, and a... | 06/01/2010 |
| 7630026 | Planar light source, display device, portable terminal device, and ray direction switching element A planar light source includes a large variable width of an irradiation angle of illumination light, a display device having a large variable width of an angle of field that uses the planar light source, a portable terminal device that uses the display device, and a... | 12/08/2009 |
| 7499123 | Planar light source, display device, portable terminal device, and ray direction switching element A planar light source includes a large variable width of an irradiation angle of illumination light, a display device having a large variable width of an angle of field that uses the planar light source, a portable terminal device that uses the display device, and a... | 03/03/2009 |
| 7430028 | Viewing-angle adjustable liquid crystal display and method for adjusting the same A viewing-angle adjustable liquid crystal display includes a display panel, a backlight unit, and a sidelight unit. The backlight unit is located under the sidelight unit, and the sidelight unit is disposed under the display panel. The sidelight unit includes a firs... | 09/30/2008 |
| 7428027 | Optical sheet, and backlight unit and display having plural microlenses on lens sheet with respective light transmission parts and pairs of reflection layers sandwiching the light transmission parts One embodiment of the present invention is an optical sheet including a lens sheet having a plurality of microlenses arranged on a front surface thereof and a plurality of projections located at a back side thereof, a projection being located between light transmiss... | 09/23/2008 |
| 7397984 | Light guide screen louver device In a particular embodiment, the louver device includes a transparent layer of material having a first surface and, parallel thereto, a second surface. A plurality of shaped louver members are disposed within the transparent layer of material. The shaped louver membe... | 07/08/2008 |
| 7349043 | Light source, display device, portable terminal device, and ray direction switching element A light source is provided including, a backlight that emits light in a planar shape, a ray direction regulating element that regulates a direction of light made incident from the backlight and emits the light and in which a transparent area for transmitting light a... | 03/25/2008 |
| 7339637 | Liquid crystal display light source device A light source device includes a housing, a reflecting plate, at least one lamp support member and a plurality of lamps. The housing has a substantially flat bottom plate. The reflecting plate is disposed on the bottom plate of the housing. The lamp support member i... | 03/04/2008 |
| 7287893 | Liquid crystal display, backlight of such display, and a method of lighting a liquid crystal display A liquid crystal display includes a backlight device which having a housing in which at least one tube-like fluorescent lamp is present. The housing forms a substantially dust-proof space. Part of the lamp extends outside the housing through a wall of the housing, w... | 10/30/2007 |
| 7242446 | Liquid crystal display apparatus A liquid crystal display apparatus includes a liquid crystal display panel, a backlight source behind the liquid crystal display panel, and an optical filter interposed between the liquid crystal display panel and the backlight source for controlling a direction of ... | 07/10/2007 |
| 7223003 | Backlight assembly and liquid crystal display apparatus having the same A backlight assembly includes a lamp assembly, a bottom chassis and a heat transferring member. The lamp assembly includes the lamps and a lamp holding part holding electrodes of the lamps. The bottom chassis combined with the lamp holding part to receive the lamp a... | 05/29/2007 |
| 7204632 | Integral light guide plate and surface lighting device incorporating same A light guide plate (32), which is made from a transparent plastic sheet, defines an emission surface (37) and a bottom surface (35) on a top end and a bottom end respectively. A number of arcuate recesses (34) are defined in the bottom e... | 04/17/2007 |
| 7165862 | Direct backlight module A direct backlight module includes a reflective base, a buffer block, a lamp tube and a casing. Two opposite side regions of the reflective base both have two opposite openings located at two ends of each side region separately. The buffer block is disposed on the r... | 01/23/2007 |
| 7095400 | Method of automatically enabling or disabling backlight of electronic device based on a predetermined time The present invention is to provide a method of automatically enabling or disabling backlight of an electronic device based on a predetermined time, which is implemented in the electronic device including a memory having an established backlight control database con... | 08/22/2006 |
| 7086761 | Backlight assembly and liquid crystal display apparatus having the same There are provided a backlight assembly (200) and an LCD apparatus (110) having the same. A lamp unit (210, 220) is received in a first receiving container (300) having a first bottom surface (350) and a first sidewall (310)... | 08/08/2006 |
| 7086753 | Direct-light illuminating unit of LCD module with light shade devices A direct-light illuminating unit has a frame on which a plurality of U-shaped lamps and a plurality of light shade devices are mounted. The frame has a window region and a margin region. The lamps each have two straight portions and a connection portion. The lamps h... | 08/08/2006 |
| 7055966 | Illuminator and projector When a video signal is inputted to a projector (10) through a video input terminal, a luminance peak value of an image of the video signal is detected by an image-analyzing circuit (61) to be outputted to a CPU (71). A gain-adjusting circuit ( | 06/06/2006 |
| 6997582 | Direct type back light device and frame thereof A frame for a direct type back light device is provided. The frame includes a base and a plurality of side-plates. The base has a groove and an opening. The groove has a first end and a corresponding second end. The side-plates are respectively disposed on a periphe... | 02/14/2006 |
| 6994203 | Document validator subassembly A subassembly for a document validator. In an implementation, the subassembly includes a housing, a light pipe core seated in the housing, a light control layer and at least one light source. The apparatus may also include a prism structure layer between a top diffu... | 02/07/2006 |
| 6992739 | Light reflector and a liquid crystal display device The invention provides a light reflector and a light-reflective liquid crystal display device with the improved image quality. A plurality of projection sets 8 are formed on the substrate 1, each of said plurality of projection sets 8 comprising... | 01/31/2006 |
| 6958789 | Optical device, particularly a liquid-crystal imaging device, and mirror therefor The invention relates to the field of optical devices, in particular liquid crystal imagers, as well as the mirrors associated with these optical devices. The optical device is angled, and includes at least one lamp and a channel guiding at least some of the ... | 10/25/2005 |
| 6929179 | Automated fee collection and parking ticket dispensing machine An automated fee collection and ticket dispensing machine is disclosed that is capable of operating under a variety of operating modes. The machine permits users to purchase a variety of passes. The disclosed machine includes printers to produce receipts or passes f... | 08/16/2005 |
| 6867829 | Back light device and a liquid crystal display applying thereof A back light device. This back light device includes a light guide plate and a plurality of lamps, wherein the light guide plate has a first plane and a second plane opposite the first plane. The back light device of this invention has a plurality of arc-shaped rece... | 03/15/2005 |
| 6760080 | Light modulating eyewear assembly The present invention, in accordance with one embodiment, provides for a light modulating cell assembly especially suitable as eyewear including a detector and a light blocking arrangement at least partially surrounding a detector for allowing only light from a limi... | 07/06/2004 |
| 6683659 | Liquid crystal display screen with backlighting A liquid crystal display screen comprising a liquid crystal layer and a first and a second transparent substrate flanking said liquid crystal layer, and comprising means for influencing the transmission state of the liquid crystal layer, and a phosphor la... | 01/27/2004 |
| 6559910 | Display device with condenser elements The display device includes a spatial modulator having a plurality of pixels and a periodical structural body having condenser elements corresponding to the pixels of the spatial modulator. Each of the pixels of the spatial modulator includes a plurality ... | 05/06/2003 |
| 6527410 | Illuminating device and liquid-crystal display apparatus The illuminating device includes light sources, a housing of the light sources that has its inner surfaces covered with a diffuse reflecting layer, an optical collimator for collimating the light issued from the light sources and the light reflected by th... | 03/04/2003 |
| 6462890 | Protective display lens for electronic device A protective lens (10) for a display includes a transparent glass substrate (12) and a piece of filtering film (14) attached to an inner surface of the glass substrate. A plurality of parallel ink stripes (16) are formed on a surface of the film and are d... | 10/08/2002 |
| 6441881 | Electrophoretic liquid crystal reflective display with slanted partition walls A reflective display having a first substrate having a first electrode, a second substrate having a second electrode and arranged opposite to the first electrode, and partition walls existing between the first and second substrates and arranged in a direc... | 08/27/2002 |
| 6421103 | Liquid-crystal display apparatus including a backlight section using collimating plate The improved liquid-crystal display apparatus has a liquid-crystal display panel, a backlight section that issues collimated light launched and a light diffusing plate and satisfies either the relation p/tan θࣘL or d×tan θࣘA, or the both relations,... | 07/16/2002 |
| 6259496 | Backlight device and light transmission type display apparatus In a backlight device 10 comprising a light guide 12, a light source 14, a prism sheet 16, a polarized beam splitter sheet 18, and a light reflection sheet 20, the light reflection sheet 20 is composed with the provision of a regular reflection plane 20A ... | 07/10/2001 |
| 6231201 | Display unit A display unit, in particular in a vehicle, has a display (1.) which can be transilluminated by a transilluminating device (2) in a prescribed direction. Light launched from a light source (3) into an optical conductor (4) is aligned by a first optical el... | 05/15/2001 |
| 6219111 | Projection-type liquid crystal display apparatus A projection-type liquid crystal display apparatus is provided for preventing a reduction in image quality due to deposited foreign substances such as dust, arc fluctuations of a light source and so on. An optical illumination system of a liquid crystal p... | 04/17/2001 |
| 6211930 | Visual displays Variable viewing angle liquid crystal display screen systems are disclosed. They are useful, e.g. in automatic teller machines where, during parts of a transaction with a user, it is undesirable that information on screen can be read by others. In accorda... | 04/03/2001 |
| 6164970 | Selectively transparent map A selectively transparent map system, for use by a driver in an automobile having an automobile windshield, comprising a map having map indicia printed thereupon. The map is selectively transparent so that when the map is held against the windshield in fr... | 12/26/2000 |
| 6118503 | Light guide device enhancing a polarized component and liquid crystal display device A polarized component is obtained with a high conversion efficiency in a light guide which produces one of the polarized components by having it transmitted. The light from a light source is incident to a light guide which comprises a plurality of light g... | 09/12/2000 |
| 6092901 | Polarizing illumination device and projection display device A polarizing illumination device and a projection display device using the polarizing illumination device improve light utilization efficiency. Polarizing conversion elements are placed so that one of polarizing separation films of a first polarizing conv... | 07/25/2000 |
| 5982529 | Apparatus for reducing linear artifacts in an optically-printed image A spatial light modulator for use in a optical printer where the spatial light modulator includes a plurality of cells, having a shape that is defined to decrease artifacts in an image produced on a recording medium by the optical printer. The shape of th... | 11/09/1999 |
