Reflector Patents (Class 349/113)
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Patent number: 9250475Abstract: A liquid crystal display device (100A) of the present invention includes a liquid crystal layer (1) and first and second alignment films (12, 13) which are provided with an alignment treatment. The liquid crystal layer (1) includes, in each of the pixels, a plurality of first small sections (14a) separated by a wall (10) and the first alignment film (12) and a plurality of second small sections (14b) separated by the wall (10) and the second alignment film (13). Each of the plurality of first small sections (14a) has a first liquid crystal region (11a). Each of the plurality of second small sections (14b) has a second liquid crystal region (11b). Each of the first and second liquid crystal regions (11a, 11b) includes a nematic liquid crystal material and a dichromatic dye (21a, 21b). The dichromatic dye (21a) of the first liquid crystal region (11a) is aligned along the alignment direction of the first alignment film (12).Type: GrantFiled: October 17, 2011Date of Patent: February 2, 2016Assignee: Sharp Kabushiki KaishaInventors: Yasushi Asaoka, Kiyoshi Minoura, Eiji Satoh, Sayuri Fujiwara
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Patent number: 9250484Abstract: An active device array substrate includes a substrate, a first pixel electrode, and a first raised pattern. The first pixel electrode is disposed on or above the substrate, and the first pixel electrode includes a first truck electrode, a second truck electrode, and a plurality of first branch electrodes. The first truck electrode and the second truck electrode intersect to form a first node at the intersection of the first truck electrode and the second truck electrode. The first branch electrodes are connected to the first truck electrode and the second truck electrode to form a plurality of first domains, wherein the first branch electrodes are asymmetrical with respect to the second truck electrode. The first raised pattern is disposed at least between the first node and the substrate to form a first raised structure at least at the first node.Type: GrantFiled: June 24, 2014Date of Patent: February 2, 2016Assignee: AU OPTRONICS CORPORATIONInventors: Cheng Wang, Jen-Yang Chung, Kun-Cheng Tien, Wei-Chun Wei, Shin-Mei Gong, Ming-Huei Wu, Chien-Huang Liao
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Patent number: 9207485Abstract: There is provided a flexible transparent liquid crystal display (10) comprises a first flexible substrate (101) provided with a common electrode layer (102); a second flexible substrate (105) provided with an array of pixel electrodes (103) and thin film field effect transistors (104); wherein at least one bi-stable state polymer dispersed liquid crystal layer (106) is provided between the first flexible substrate (104) and the second flexible substrate (105). There is also provided a method for preparing the same, which can increase the efficiency of the process for preparing the flexible transparent liquid crystal display.Type: GrantFiled: December 21, 2012Date of Patent: December 8, 2015Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Miki Kashima, Jaegeon You
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Patent number: 9188721Abstract: An optical module includes a polarizing plate and a light emitter disposed in a position facing the polarizing plate. The polarizing plate includes a polarizer and a protective film joined to the polarizer. The protective film has a light control function that changes the traveling direction of light. The light emitter is disposed in a position directly facing the protective film of the polarizing plate.Type: GrantFiled: November 2, 2011Date of Patent: November 17, 2015Assignee: Dai Nippon Printing Co., Ltd.Inventors: Eiji Asano, Akiko Tomita, Daijiro Kodama, Masahiro Goto, Hiroshi Sekiguchi, Hiroshi Yamamoto
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Patent number: 9182531Abstract: In at least one embodiment of the surface light guide, the surface light guide includes at least one scattering element for scattering light. A decoupling coefficient is caused by the scattering element. The decoupling coefficient is set in a varying fashion along a main light-guiding direction. In a direction perpendicular to the main sides of the surface light guide, the opacity value is no more than 0.10, the transmission coefficient is at least 0.75 and the quotient of the minimum light density and maximum light density seen over a continuous emitting area of at least one of the main sides is at least 0.75.Type: GrantFiled: March 21, 2011Date of Patent: November 10, 2015Assignee: OSRAM AGInventors: Peter Brick, Julius Muschaweck
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Patent number: 9147858Abstract: A flat panel display apparatus and an organic light-emitting display apparatus. The flat panel display apparatus includes: a substrate; a display unit which is disposed on the substrate to realize an image; a metal sheet which is disposed opposite to the substrate, covers at least a part of the display unit, and includes a central part at which uneven wrinkles are formed and an edge part which is formed in a flat shape in which wrinkles are not formed; and a sealing material which fills a whole space formed between the substrate and the metal sheet and seals the substrate and the metal sheet.Type: GrantFiled: November 15, 2011Date of Patent: September 29, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jung-Woo Moon, Kie-Hyun Nam, Mu-Gyeom Kim
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Patent number: 9140847Abstract: A lamp includes a frame, a light guide plate, a light source and a reflecting structure. The light guide plate is disposed on the frame and includes a light-incident surface, a first light-emitting surface and a second light-emitting surface. The second light-emitting surface is opposite to the first light-emitting surface, in which the light-incident surface connects the first light-emitting surface and the second light-emitting surface. The light source is adjacent to the light-incident surface and the light source is disposed in the frame. The reflecting structure is adjacent to the first light-emitting surface and includes at least two transparent sheets. The two transparent sheets are separated by an air gap, such that at least one light beam emitted from the first light-emitting surface is reflected back to the light guide plate and is emitted out from the second light-emitting surface.Type: GrantFiled: December 19, 2013Date of Patent: September 22, 2015Assignee: RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Wei-Chen Lin, Shin-Hua Chu, Shu-Hua Yeh, Hui-Ching Hsueh
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Patent number: 9140952Abstract: The present invention is directed to an electrophoretic display with enhanced contrast. The invention is directed to an electrophoretic display comprising: a first layer comprising a common electrode, a second layer comprising at least one collecting pixel electrode, a plurality of display cells which are sandwiched between the first layer and the second layer and are filled with an electrophoretic fluid comprising charged pigment particles dispersed in a solvent or solvent mixture; and a background layer. More specifically, the invention provides an electrophoretic display having the dark color state darker while maintaining the same intensity of the lighter color state.Type: GrantFiled: April 21, 2011Date of Patent: September 22, 2015Assignee: E Ink California, LLCInventors: Robert A. Sprague, Craig Lin
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Patent number: 9119316Abstract: A case for supporting a foldable display panel includes a first main body located to correspond to a first area of the foldable display panel; a second main body located to adjoin the first main body and correspond to a second area of the foldable display panel, and folded in a direction of the first main body so that the second area of the foldable display panel faces the first area; and a mover, responsive to an elastic restitution force, located within at least the first main body to be supported by a rear surface of the foldable display panel, at least one of the first area and the second area of the foldable display panel being slidable in conjunction with the mover in a direction of at least one an end of the foldable display panel.Type: GrantFiled: March 12, 2013Date of Patent: August 25, 2015Assignee: Samsung Display Co., Ltd.Inventor: Sang-Wol Lee
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Patent number: 9104072Abstract: The present invention is directed to the provision of a liquid crystal device constructed by sealing a liquid crystal material between substrates, wherein provisions are made to prevent reflections at the sealing, thereby achieving excellent transparency. The liquid crystal device includes a first substrate disposed on a viewing side, a second substrate disposed opposite the first substrate, a sealing member disposed between the first substrate and the second substrate, a liquid crystal layer provided between the first substrate and the second substrate and sealed by the sealing member, and a muslin structure or moth-eye structure placed between the first substrate and the sealing member. The muslin structure or moth-eye structure serves to form a smooth refractive index gradient between the sealing member and the first transparent substrate, thereby enhancing the transparency of the liquid crystal device.Type: GrantFiled: December 20, 2011Date of Patent: August 11, 2015Assignee: CITIZEN HOLDINGS CO., LTD.Inventor: Nobuyuki Hashimoto
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Patent number: 9097832Abstract: A liquid crystal display (LCD) system is provided. The LCD system includes a light source and a self-contained display unit including at least a LCD panel and a light guide plate coupled together, wherein the light guide plate is configured to guide light from the light source to the LCD panel as backlight and to structurally support the LCD panel. Further, a plurality of pre-made hollow spaces are contained in the display unit configured to host components of the LCD system. The LCD system also includes a controller contained in the plurality of pre-made hollow spaces and coupled to the LCD panel to control the LCD panel such that the light passing through the light guide plate is used as backlight for operation of the LCD panel.Type: GrantFiled: January 29, 2011Date of Patent: August 4, 2015Inventor: Xiao Lin Yu
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Patent number: 9091872Abstract: A liquid crystal display accommodates a reflective portion with a concavo-convex reflecting pixel electrode for reflecting incident light from the display face side, and a transmissive portion with a transmissive pixel electrode for transmitting light output from the backlight. In a wide viewing angle region, luminance of the reflective portion is greater than the transmissive portion. In other angle regions, luminance of the transmissive portion is greater than the reflective portion. In a wide viewing field mode, the reflective portion and transmissive portion both perform normal display. In the narrow viewing field mode, the transmissive portion performs normal display, while the reflective portion performs cancelling data display, thereby rendering unviewable the display content of the transmissive portion from beyond a certain viewing angle.Type: GrantFiled: August 7, 2013Date of Patent: July 28, 2015Assignee: NLT Technologies, Ltd.Inventors: Jin Matsushima, Hiroshi Okumura, Ken Sumiyoshi
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Patent number: 9093042Abstract: A transparent display apparatus includes a display panel including a plurality of pixels arranged in rows and columns, a plurality of gate lines, a plurality of data lines including first and second data lines, a gate driver, and a data driver. Each of the pixels comprises sub-pixels arranged in a row direction, each gate line is operatively coupled to sub-pixels arranged in a corresponding row, and each first and second data line is operatively coupled to sub-pixels arranged in a corresponding column. The gate driver sequentially applies a gate signal to the pixels through the gate lines. The data driver applies sub-data signals to the sub-pixels through the first data lines, and applies down data signals to the sub-pixels through the second data lines. Each of the down data signals has a voltage level lower than a voltage level of a corresponding sub-data signal.Type: GrantFiled: May 3, 2012Date of Patent: July 28, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Hwa Park, Jang-Il Kim, Hyun-Ho Kang, Swae-Hyun Kim, Yongwoo Hyung
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Patent number: 9070848Abstract: An array substrate, comprising a substrate and a data line and a gate line formed on the substrate. The data line and gate line cross each other to define a pixel region and the pixel region comprises a reflective region and a transparent region. The pixel region further comprises: a pixel electrode, formed with a transparent conductive film on the substrate and provided at least in the transparent region; a thin film transistor, formed on the substrate, the transparent conductive film being retained below the gate line and a gate electrode of the thin film transistor; a planarization film, covering the thin film transistor on the substrate; and a reflective layer, formed on the planarization film and disposed in the reflective region of the pixel region. A method of manufacturing the array substrate is provided.Type: GrantFiled: September 4, 2013Date of Patent: June 30, 2015Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Xuesong Gao
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Patent number: 9047500Abstract: An optical imaging system includes a thin film imager that is able to create images of objects in various modes of imaging such as bright field, dark field, frustrated total internal reflection, fly eye, and the like. The imaging system may be an integrated optical design that performs different modes of optical imaging in the same imaging device by positioned pin hole structures in geometries that capture images according to the desired mode of imaging.Type: GrantFiled: August 13, 2012Date of Patent: June 2, 2015Assignee: Palo Alto Research Center IncorporatedInventor: Jeng Ping Lu
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Patent number: 9041885Abstract: A display device uses a multilayer film (104), which reflects (red) light having wavelengths between about 600 and 800 nm at a 60 degree angle of incidence (114), to protect a liquid crystal panel (102) from heat and sun damage. The film (104) transmits light of the visible band with a wavelength between about 420 and 650 nm at normal incidence (116). The outermost surface (106) of the film (104) may be a hard coat (124). A metal oxide layer (120) and a metal layer (130) may be included to reflect IR light greater in wavelength than about 850 nm.Type: GrantFiled: June 1, 2011Date of Patent: May 26, 2015Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Michael F. Weber, Yufeng Liu
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Patent number: 9033511Abstract: Provided is an illumination device that includes: light source (101); light guiding means (102) where light from light source (101) is supplied to one end surface, and light incident from the one end surface is propagated inside to exit from the other end surface; illuminating optical systems (103, 104, 106, and 107) that spatially separate a luminous flux output from the other end surface of light guiding means (102) into a plurality of luminous fluxes and that form, on display element (110), an optical image formed on the other end surface of light guiding means (102); reflective polarizing plate (109) that is located between illuminating optical systems (103, 104, 106, and 107) and display element (110) and that transmits first polarized light while reflecting second polarized light different in polarized state from the first polarized light toward illuminating optical systems (103, 104, 106, and 107); reflecting element (105) that is disposed at a position where the plurality of luminous fluxes are spatiaType: GrantFiled: September 16, 2009Date of Patent: May 19, 2015Assignee: NEC Display Solutions, Ltd.Inventor: Atsushi Katou
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Patent number: 9025114Abstract: Disclosed herein is a display device including a reflection type image display portion having a sheet-like anisotropic scattering member. In an area, in an in-plane direction, of the anisotropic scattering member, a low-refractive index area and a high-refractive index area are disposed in a mixture style. The anisotropic scattering member is disposed in such a way that a light is scattered when an outside light is made incident from a surface side on which a degree of a change in a refractive index in a vicinity of a boundary between the low-refractive index area and the high-refractive index area is relatively large, and is emitted from a surface side on which the degree of the change in the refractive index in the vicinity of the boundary between the low-refractive index area and the high-refractive index area is relatively small.Type: GrantFiled: January 15, 2013Date of Patent: May 5, 2015Assignee: Japan Display Inc.Inventor: Masashi Mitsui
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Patent number: 9019448Abstract: A display apparatus includes a light guide plate to emit light that enters through a side surface of the light guide plate through an upper surface of the light guide plate, a light source arranged on at least one side of the light guide plate, a reflection plate arranged under the light guide plate, a color filter layer arranged above the light guide plate, and an optical shutter arranged above the color filter layer to transmit or block at least a part of light according to electric control, wherein the color filter layer includes a transmission type color filter to transmit light in a particular wavelength band and reflect light in other wavelength bands.Type: GrantFiled: January 28, 2011Date of Patent: April 28, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Moon-gyu Han, Hong-seok Lee, Chang-gyun Shin
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Publication number: 20150109566Abstract: A liquid crystal display is provided. The liquid crystal display includes a substrate including a reflective area and a transmissive area, a thin film transistor disposed on the substrate, a pixel electrode disposed on the thin film transistor, and a roof layer disposed facing the pixel electrode. The liquid crystal display further includes a plurality of microcavities formed between the pixel electrode and the roof layer, and a liquid crystal material disposed in the plurality of microcavities. The reflective area includes a first cell gap, and the transmissive area includes a second cell gap that is different from the first cell gap.Type: ApplicationFiled: April 24, 2014Publication date: April 23, 2015Applicant: Samsung Display Co., Ltd.Inventors: Hae Ju YUN, Byeong-Hee WON
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Patent number: 9013658Abstract: 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.Type: GrantFiled: October 7, 2010Date of Patent: April 21, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Moon Gyu Han, Yong-wan Jin, Hong-seok Lee
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Patent number: 9007547Abstract: A backlight module is disclosed, which comprises a light guide plate, a point light source and a substrate. The light guide plate comprises a top surface and a bottom surface opposite to each other and a side surface located between the top surface and the bottom surface. The point light source is disposed on the substrate. The backlight module further comprises a backplate, a front frame and a first reflective unit. The backplate is adapted to accommodate the light guide plate. The front frame is disposed adjacent to the top surface of the light guide plate. The point light source is disposed adjacent to the side surface. A bisector line of a light emitting range of the point light source is directed towards a plane in which the top surface or the bottom surface of the light guide plate is located.Type: GrantFiled: December 5, 2011Date of Patent: April 14, 2015Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Jian-Fa Huang
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Patent number: 8999194Abstract: The present invention is to provide an etching solution capable of effectively reducing Galvanic effect, wherein the etching solution is obtained by way of dissolving an etchant and a nitrogen containing five-member heterocyclic compound in water. Thus, when at least one first metal (e.g., gold) and at least one second metal (e.g., copper) disposed on a substrate is treated with a wet etching process by using this etching solution, the nitrogen containing five-member heterocyclic compound would form an organic protecting film on the first metal having higher reduction potential, so as to effectively avoid the second metal from being over etched resulted from the Galvanic effect.Type: GrantFiled: February 24, 2014Date of Patent: April 7, 2015Assignee: E-Chem Enterprise Corp.Inventors: Cheng-Ying Tsai, Cheng-Kai Liao, Su-Fei Hsu
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Patent number: 8999195Abstract: A liquid crystal smectic A composition that can be switched by the application of different electric fields across it between a first stable state (left hand block in FIG. 4) and at least one second stable state (right hand block in FIG. 4) in which the composition is less ordered than in the first state. The radiation transmission properties of the first and second states are different.Type: GrantFiled: January 9, 2012Date of Patent: April 7, 2015Assignee: Cambridge Enterprise LimitedInventors: Daping Chu, Huan Xu, William Alden Crossland, Anthony Bernard Davey
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Patent number: 8994903Abstract: A liquid crystal display includes a display panel having a plurality of pixels. The display panel includes a first substrate and a second substrate opposing each other. A liquid crystal layer is positioned between the first substrate and the second substrate. A pixel electrode is positioned on the first substrate and positioned in one pixel of the plurality of pixels. An opposing electrode faces the pixel electrode with the liquid crystal layer interposed therebetween. At least one of the pixel electrode and the opposing electrode includes a liquid crystal inclination direction determining member. A transmission region of the pixel includes a first region and a second region that have different cell gaps of the liquid crystal layer from each other and extension directions of the liquid crystal inclination direction determining member in the first region and the second region are different from each other.Type: GrantFiled: May 30, 2012Date of Patent: March 31, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seung-Suk Yang, Ho-Jun Lee, Sang Ho Kim, Sang Yeoul Lim, Young-Min Jung, Ho Kyung Kim, Sung Hoon Kim
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Patent number: 8994894Abstract: In a liquid crystal display device including a backlight unit that irradiates the entire image formation region with light from light emitting diodes disposed in a concentrated manner, in order to reduce warpage of a reflection sheet to obtain uniform illumination, provided is a liquid crystal display device (1), including: a liquid crystal panel (3); a reflection sheet (6), which is disposed on a rear surface side of the liquid crystal panel (3) and is curved so as to have a concave surface facing the liquid crystal panel (3); a light emitting diode substrate on which a plurality of light emitting diodes (14) are disposed along a horizontal direction; and a support (21) for fixing the reflection sheet (6) at a curved portion of the reflection sheet (6).Type: GrantFiled: April 25, 2012Date of Patent: March 31, 2015Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Sachiko Yamazaki, Ikuko Imajo, Masashi Baba
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Patent number: 8994904Abstract: An electro-optic device is provided with an substrate, in which a stress relieving film formed of a doped silicon oxide film is formed between a third interlayer insulating film formed of a non-doped silicon oxide film and a pixel electrode formed of an aluminum film or the like. The stress relieving film is formed of the doped silicon oxide film, has a thermal expansion coefficient different from that of the third interlayer insulating film, comes in contact with the third interlayer insulating film, has a thermal expansion coefficient different from that of the pixel electrode, and comes in contact with the pixel electrode. The thermal expansion coefficients are in the following relation of Third Interlayer Insulating Film<Stress relieving Film<Pixel Electrode.Type: GrantFiled: September 14, 2011Date of Patent: March 31, 2015Assignee: Seiko Epson CorporationInventor: Hiroaki Jiroku
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Publication number: 20150070628Abstract: The present invention relates to electro-optical switching elements and displays comprising them. In particular, it relates to electro-optical switching elements comprising at least a light reflecting layer, a light switching layer, and a light conversion layer, which comprises one or more light emitting substances, in particular, a light reflecting layer, which selectively reflects visible light, a light controlling element that controls the amount of transmitted and/or reflected light, and a light converting layer that shifts the wavelength of the transmitted light to longer values. The displays give bright images under either bright or dark conditions with small power consumption. They are particularly suitable for so called liquid crystal, electronic paper (e-paper) and MEMS switching applications.Type: ApplicationFiled: April 3, 2013Publication date: March 12, 2015Applicant: MERCK PATENT GMBHInventors: Masayoshi Suzuki, Naoya Fujiwara
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Publication number: 20150055066Abstract: A thin film transistor substrate includes a first substrate which includes a transmissive area and a reflective area, a common electrode disposed on the first substrate, a pixel electrode overlapped with and insulated from the common electrode, and a reflective portion which is disposed on the reflective area and includes a lower electrode which includes a first transparent conductive material, a metal layer disposed on the lower electrode, and an upper electrode disposed on the metal layer and including a second transparent conductive material different from the first transparent conductive material.Type: ApplicationFiled: January 28, 2014Publication date: February 26, 2015Applicant: Samsung Display Co., Ltd.Inventors: SungHoon YANG, JEANHO SONG, Bong-Kyun KIM
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Patent number: 8963174Abstract: A TFT-LCD array substrate and a display device. The TFT-LCD array substrate comprises a pixel area the pixel area comprising a plurality of pixel units arranged in an array, and each of the pixel units comprising a first electrode and a second electrode generating a horizontal electric field with the first electrode. The second electrode comprises strip electrodes, and the strip electrodes constitute a radial pattern of a regular triangle, a regular polygon or a circle in each of the pixel units.Type: GrantFiled: November 16, 2012Date of Patent: February 24, 2015Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Cheng Li, Xue Dong, Dong Chen, Renwei Guo, Suzhen Mu
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Patent number: 8953124Abstract: An optical system according to an embodiment of the present invention includes a reflective imaging element having a first principal face which is struck by light emitted from a display panel, a second principal face parallel to the first principal face, and two mutually-orthogonal specular elements being perpendicular to the first principal face, and causes an image displayed on a display surface of the display panel to form an image at a position of planar symmetry with respect to the reflective imaging element as a plane of symmetry. A transparent substrate which is disposed on at least either the first principal face side or the second principal face side of the reflective imaging element is further included, and first light striking the transparent substrate is linearly polarized light, with a large proportion of p-polarized light.Type: GrantFiled: April 26, 2011Date of Patent: February 10, 2015Assignee: Sharp Kabushiki KaishaInventors: Kentarou Imamura, Shigeto Yoshida, Takafumi Shimatani, Hisashi Watanabe
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Patent number: 8941800Abstract: A reflective imaging element includes: a plurality of holes penetrating through the plate-like substrate along a thickness direction thereof; two orthogonally-disposed specular elements on inner walls of the plurality of holes; a first principal face on which light from an object is received; a second principal face parallel to the first principal face; and two taper elements opposing the two specular elements. The two taper elements each have a first side parallel to the first principal face, a second side orthogonal to the first principal face and to the first side, and a hypotenuse meeting the first and second sides and constituting an angle ? with the second side. An angle constituted by a normal direction of the first principal face and an incident direction of light striking the first principal face defines an incident angle ?, such that, in a range of 0°<?<90°, the angle ? satisfies (90°??)/4??.Type: GrantFiled: February 25, 2011Date of Patent: January 27, 2015Assignee: Sharp Kabushiki KaishaInventors: Kentarou Imamura, Shigeto Yoshida, Takafumi Shimatani
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Patent number: 8941803Abstract: A liquid crystal display device of IPS mode includes an array of pixels arranged in a matrix pattern by crossing a plurality of video signal lines and a plurality of scanning signal lines each other. Each of the pixels is provided with at least a switching element. A transparent insulating film is provided on both signal lines, and a plurality of pixel electrodes, common electrodes and common lines are provided on the transparent insulating film. The common lines are formed in a grid-shaped pattern such that a first group of the common lines is made of a first conductor having lower reflectivity against optical light than that of metal while a second group of the common lines is made of a second conductor including a metal layer such that said first group and said second group are crossing each other along said video signal lines and said scanning signal lines.Type: GrantFiled: March 4, 2013Date of Patent: January 27, 2015Assignee: NLT Technologies, Ltd.Inventors: Soichi Saito, Shinya Niioka, Masayuki Jumonji, Hiroshi Tanabe, Masamichi Shimoda
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Patent number: 8933460Abstract: A method of manufacturing an array substrate for an FFS mode LCD device includes forming a gate line, a gate electrode and a pixel electrode on a substrate; forming a gate insulating layer; forming a data line, source and drain electrodes, and a semiconductor layer on the gate insulating layer, the drain electrode overlapping the pixel electrode; forming a passivation layer on the data line, the source and drain electrodes; forming a contact hole exposing the drain electrode and the pixel electrode by patterning the passivation layer and the gate insulating layer; and forming a common electrode and a connection pattern on the passivation layer, wherein the common electrode includes bar-shaped openings and a hole corresponding to the contact hole, and the connection pattern is disposed in the hole, is spaced apart from the common electrode and contacts the drain electrode and the pixel.Type: GrantFiled: June 11, 2014Date of Patent: January 13, 2015Assignee: LG Display Co., Ltd.Inventors: Jeong-Oh Kim, Jung-Sun Beak
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Publication number: 20150009460Abstract: An array substrate includes a reflecting pattern, a protecting pattern, a first passivation layer and a thin film transistor. The reflecting pattern is on a substrate. The protecting pattern is on the reflecting pattern and overlaps the reflecting pattern. The first passivation layer covers the substrate and the protecting pattern. The thin film transistor is on the first passivation layer and overlaps the reflecting pattern. The first passivation layer includes a silicon oxycarbide (SiOC).Type: ApplicationFiled: December 16, 2013Publication date: January 8, 2015Applicant: Samsung Display Co., Ltd.Inventors: Dae-Hwan JANG, Dae-Young LEE, Jung-Gun NAM, Gug-Rae JO
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Publication number: 20150002795Abstract: An active matrix structure including a substrate, a plurality of active devices, and a plurality of pixel electrodes is provided. The active devices are disposed on the substrate. The pixel electrodes are respectively electrically connected to the active devices and arranged in an array. The active matrix structure has a display area, and each of the pixel electrodes has at least one slanted side inclined with respect to all sides of the display area. A liquid crystal display panel is also provided.Type: ApplicationFiled: March 12, 2014Publication date: January 1, 2015Applicant: Himax Display, Inc.Inventors: Yuet-Wing Li, Kuan-Hsu Fan-Chiang
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Patent number: 8913218Abstract: The present invention provides a method for forming a reflector and a reflective LCD manufactured with the method. The method for forming reflector includes (1) providing metal powder and gold varnish, the metal powder being one or more than one selected from aluminum powder, copper powder, zinc powder; (2) mixing the metal powder and the gold varnish to form slurry; (3) providing a substrate and coating or printing the slurry on the substrate; and (4) baking the substrate on which the slurry coated or printed at a temperature of 60-80° C. for a period of 3-5 minutes to have the slurry forming a reflector on the substrate. The present invention forms a reflector on a substrate by mixing metal powder and gold varnish together to form slurry so as to improve homogeneity of scattered reflection of light by the reflector so formed.Type: GrantFiled: April 25, 2012Date of Patent: December 16, 2014Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Hao Kou
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Patent number: 8908129Abstract: In one embodiment, the method for making a polymer article comprises: orienting polymer chains in one direction more than any other direction to form an oriented article, contacting the oriented article with a foaming agent, and foaming the material to form the reflective polymer article comprising planar cell structures having a length “l” and a thickness “t”.Type: GrantFiled: August 12, 2009Date of Patent: December 9, 2014Assignee: Sabic Global Technologies B.V.Inventors: Ravi Sriraman, Chinniah Thiagarajan, Ajay Taraiya
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Publication number: 20140354928Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including an outer peripheral wiring which is formed along an outer periphery of an active area that displays an image, and which has a first reflective surface, a second substrate including a reflective layer which is formed by a plurality of segments that are mutually spaced apart, and which has a second reflective surface opposed to the first reflective surface, a sealant formed of a photosensitive resin material, which surrounds the active area, is formed along the outer peripheral wiring, and attaches the first substrate and the second substrate, and a liquid crystal layer held in a cell gap in an inside surrounded by the sealant.Type: ApplicationFiled: April 21, 2014Publication date: December 4, 2014Applicant: Japan Display Inc.Inventor: Junichi Kobayashi
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Patent number: 8872746Abstract: A display apparatus includes a first display panel with a plurality of first pixels, a second display panel facing the first display panel and having a plurality of second pixels, a light reflective polarizer, and a backlight unit. The light reflective polarizer is interposed between the first and second display panels to transmit light polarized in a first direction, and reflect light polarized in a second direction substantially perpendicular to the first direction. The backlight unit is arranged proximate to the second display panel to supply light to the first and second display panels. The first display panel displays an image by using reflected ambient light, and the second display panel displays an image by using light from the backlight unit.Type: GrantFiled: August 31, 2011Date of Patent: October 28, 2014Assignee: Samsung Display Co., Ltd.Inventors: Byoungho Cheong, Jaeho You, TaeWoo Kim, Eun-Ae Kwak, Jaechang Kim, Taehoon Yoon, Kihan Kim
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Patent number: 8867132Abstract: Thermochromic filters use combinations of absorptive, reflective, thermoabsorptive, and thermoreflective elements covering different portions of the solar spectrum, to achieve different levels of energy savings, throw, shading, visible light transmission, and comfort. Embodiments include stopband filters in the near-infrared spectrum.Type: GrantFiled: October 29, 2010Date of Patent: October 21, 2014Assignee: Ravenbrick LLCInventors: Wil McCarthy, Richard M. Powers
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Patent number: 8845172Abstract: A reflective plate includes a high heat conductivity material having a first heat conductivity and a reflective material having a second heat conductivity on the high heat conductivity material, wherein the first heat conductivity of the high heat conductivity material is greater than the second heat conductivity of the reflective material.Type: GrantFiled: May 3, 2013Date of Patent: September 30, 2014Assignee: LG Display Co., Ltd.Inventors: Myong Gi Jang, Gi Bin Kim, Tae Woo Kim
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Patent number: 8848143Abstract: An electro-optical device including: a reflection film which is formed at each of a plurality of pixels; a dielectric multi-layer film which is formed over the reflection film; a planarizing isolation film over the dielectric multi-layer film burying a step formed by a reflection film; and a first alignment film which is formed over the planarizing isolation film. The reflection film, the dielectric multi-layer film, the planarizing isolation film, and the first alignment film are formed on the surface facing the second substrate in the first substrate.Type: GrantFiled: December 21, 2010Date of Patent: September 30, 2014Assignee: Seiko Epson CorporationInventor: Hiroaki Jiroku
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Publication number: 20140285757Abstract: According an aspect, a liquid crystal display device includes: a first substrate on which a reflective electrode is arranged for each of a plurality of pixels; a second substrate; a liquid crystal layer arranged between the first substrate and the second substrate; and a wave plate in which liquid crystals are fixed so that an alignment direction of the liquid crystals is opposite to an alignment direction of the liquid crystal layer. The wave plate is arranged on a second substrate side of the liquid crystal layer.Type: ApplicationFiled: March 13, 2014Publication date: September 25, 2014Applicant: Japan Display Inc.Inventors: Masaya Tamaki, Masashi Mitsui
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Patent number: 8842240Abstract: A liquid crystal display apparatus includes a first polarizing plate, a liquid crystal display cell, a second polarizing plate, a switching cell, a first reflective polarizing plate, and a surface light source, which are arranged in this order. The apparatus further includes a control driving unit to switch the switching cell between a first and second state. In the first state, plane of polarization of polarized light emitted by the surface light source and transmitted through the first reflective polarizing plate and the switching cell is coincident with a transmissive axis of the second polarizing plate. In the second state, a plane of polarization of the polarized light input to the liquid crystal display cell from the side of the first polarizing plate and transmitted through the second polarizing plate and the switching cell is coincident with a reflective axis of the first reflective polarizing plate.Type: GrantFiled: January 3, 2011Date of Patent: September 23, 2014Assignee: Casio Computer Co., Ltd.Inventors: Norihiro Arai, Toshiharu Nishino
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Publication number: 20140232972Abstract: A display substrate includes a base substrate, a reflection controlling layer disposed on the base substrate, and a metal wiring layer disposed on the reflection controlling layer. The metal wiring layer comprises an opaque metal. The reflection controlling layer changes wavelength-specific reflectance of reflected light using destructive interference. The reflected light is reflected from the metal wiring layer through the base substrate and the reflection controlling layer.Type: ApplicationFiled: August 8, 2013Publication date: August 21, 2014Applicant: Samsung Display Co., Ltd.Inventors: Dae-Cheol KIM, Dong-Kwon Kim, Woong-Kwon Kim, Ki-Hun Jeong, Byeong-Hoon Cho, Kun-Wook Han
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Patent number: 8810753Abstract: A liquid crystal device includes: a liquid crystal layer; a first substrate and a second substrate between which the liquid crystal layer is sandwiched; a reflective layer operable to reflect light which is incident thereon from the second substrate side through the liquid crystal layer; a plurality of optical layers disposed on the side opposite to the first substrate with reference to the second substrate; and a plurality of light-scattering layers which are each disposed in at least one of a region between the second substrate and the optical layers and a region between two mutually proximate ones of the optical layers and which each show relatively larger forward scattering and relatively smaller back scattering.Type: GrantFiled: November 22, 2011Date of Patent: August 19, 2014Assignee: Sony CorporationInventor: Toshiharu Matsushima
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Patent number: 8810567Abstract: In the display panel (2) of an image display apparatus, a left-eye pixel (4L) and a right-eye pixel (4R) constitute a display unit (4) and have a nearly trapezoidal shape. A sub-pixel has a nearly trapezoidal aperture having upper and lower bases nearly parallel to the X-axis and two oblique sides oblique in directions different from the Y-axis direction. A nearly triangular shielding part is provided at the acute angle part of the nearly trapezoidal shape. The nearly triangular shielding part serves to create a gentle distribution of brightness and luminance of the image display apparatus, whereby 3D moire becomes less visible and 3D crosstalk is reduced.Type: GrantFiled: September 12, 2011Date of Patent: August 19, 2014Assignee: NLT Technologies, Ltd.Inventors: Shinya Niioka, Koji Shigemura
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Publication number: 20140226097Abstract: A reflective liquid crystal on silicon (LCOS) display comprises a transparent substrate, a reflective substrate, and liquid crystal fluid between the substrates. The LCOS display further comprises a matrix of pixels, arranged in a plurality of rows and columns, wherein an intersection of a row and a column defines a position of a pixel in the matrix. The LCOS display has tilt angles sufficient to overcome disclinations due to fringe fields, and, at the same time, achieves high contrast. The surface azimuthal direction of the molecules of the liquid crystal fluid is either substantially parallel or perpendicular to the direction of polarization of incoming incident linearly polarized light. Light leakage is minimal because the effective birefringence as seen by the incoming incident linearly polarized light is substantially zero and does not depend on the pretilt of the molecules of the liquid crystal fluid.Type: ApplicationFiled: April 21, 2014Publication date: August 14, 2014Applicant: Compound Photonics LimitedInventor: Hemasiri VITHANA
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Patent number: 8804077Abstract: A liquid crystal display device includes: a first substrate and a second substrate opposed to each other; and a liquid crystal layer placed between the first and second substrates. The device has a plurality of pixels each having a transmission region configured to transmit light coming from the first substrate side and a reflection region configured to reflect light coming from the second substrate side at the first substrate. A transparent layer is provided in the reflection region for rendering the liquid crystal layer thinner in the reflection region than in the transmission region. A groove is formed between the pixels on the surface of the first substrate facing the liquid crystal layer.Type: GrantFiled: July 6, 2009Date of Patent: August 12, 2014Assignee: Sharp Kabushiki KaishaInventor: Hironobu Tatsumi