Patents Examined by Agnes Dobrowolski
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Patent number: 10914966Abstract: The disclosure discloses a manufacturing method of a liquid crystal display grating. The method includes preparing a substrate, depositing a transparent film layer on the substrate, patterning the transparent film layer for producing a plurality of containing grooves, depositing a liquid crystal alignment film in the containing grooves, injecting liquid crystal molecules in the containing grooves, aligning and packaging the liquid crystal molecules. The disclosure can achieve 3D display by the method above.Type: GrantFiled: April 25, 2017Date of Patent: February 9, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yanhong Meng, Zhixiong Jiang
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Patent number: 10908453Abstract: A display device includes a first substrate, a first wavelength conversion layer and a second wavelength conversion layer disposed on the first substrate and spaced apart from each other, and a polarization layer disposed on the first wavelength conversion layer and the second wavelength conversion layer, the polarization layer including a reflection portion and a transmitting portion, in which the reflection portion overlaps a gap formed between the first wavelength conversion layer and the second wavelength conversion layer.Type: GrantFiled: January 5, 2017Date of Patent: February 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Kang Soo Han, Yun Jong Yeo, Dong Uk Kim, Hyun Min Cho, Hyung Bin Cho, Ji Hun Kim, Sung Won Cho, Young Min Kim, Hae Il Park, Seung Jin Baek, Dae Young Lee, Kun Hee Jo, Gug Rae Jo
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Patent number: 10884261Abstract: A glasses-free three dimensional display panel, a manufacturing method thereof, and a glasses-free three dimensional display device are disclosed. The glasses-free three dimensional display panel includes a display panel and a grating panel disposed on a light exiting side of the display panel, wherein the grating panel includes a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate; and the first substrate includes a first base substrate and a first electrode pattern disposed on the first base substrate, the first electrode pattern includes at least two first gating electrodes, and the second substrate includes a second base substrate and at least two second gating electrodes disposed on the second base substrate.Type: GrantFiled: August 16, 2017Date of Patent: January 5, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhixiang Fang
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Patent number: 10866446Abstract: A method of producing a liquid crystal panel includes a grinding process and a sealing process. The grinding process includes grinding at least one common liquid crystal panel including a liquid crystal layer, a pair of boards that sandwich the liquid crystal layer, and a frame-shaped sealing member sandwiched between the boards along the non-rectangular outline to remove a section of the sealing member and to leave a rest of the sealing member. The grinding process further includes forming a sealing member removed processed edge section of the common liquid crystal panel. The sealing member removed processed edge section includes edges of the boards corresponding to the section of the sealing member removed from the common liquid crystal panel. The sealing process includes applying a sealing resin to the sealing member removed processed edge section to fill a space between the edges of the board.Type: GrantFiled: August 26, 2016Date of Patent: December 15, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Masayuki Kanehiro, Youhei Nakanishi
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Patent number: 10705379Abstract: An LCD device having light weight, slimness, and high luminance, includes: a display panel; a light source providing a light to the display panel; and a light guide plate including an upper surface facing the display panel, an opposing lower surface, a light incidence surface facing the light source, and a light opposing surface opposing the light incidence surface, the light guide plate including a prism area and a non-prism area on the lower surface. The light guide plate further includes a plurality of prisms arranged at the prism area along a first direction which is perpendicular to the light incidence surface, a linear portion disposed at the non-prism area and extending from the plurality of prisms, a first resin layer on the linear portion, and a second resin layer on the first resin layer, wherein the first resin layer is thinner than the second resin layer.Type: GrantFiled: May 3, 2018Date of Patent: July 7, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jiwon Lee, Seungbeom Park, Jaesul An, Juyoung Yoon
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Patent number: 10642116Abstract: A display may include one or more display pixels in an array of pixels. A display pixel may include a storage capacitor chat stores a pixel data signal. The storage capacitor may be formed from a pixel electrode structure, a capacitor electrode structure, and a common electrode structure that is interposed between the pixel electrode structure and capacitor electrode structures. Each electrode structure may be formed from transparent conductive materials deposited on respective display layers. The pixel electrode structure and capacitor electrode structure may be electrically coupled by a conductive via structure that extends through the display layers without contacting the common electrode structure. The conductive via structure may contact underlying transistor structures such as a source-drain structure.Type: GrantFiled: April 18, 2014Date of Patent: May 5, 2020Assignee: APPLE INC.Inventors: Zhibing Ge, Lei Zhao, Ming-Chin Hung, Szu-Hsien Lee, Cheng Chen, Shih-Chang Chang
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Patent number: 10473994Abstract: A pixel unit includes a gate line, a first data line, a second data line, a first active device, and a pixel electrode. The first active device is electrically connected to the gate line and the first or second data line. The pixel electrode is electrically connected to the first active device. The pixel electrode includes a first sub-pixel electrode, a second sub-pixel electrode, and a first connecting electrode. Each of the first sub-pixel electrode and the second sub-pixel electrode includes a trunk electrode, a traverse trunk electrode, and branch electrodes. The first connecting electrode connects the first sub-pixel electrode to the second sub-pixel electrode.Type: GrantFiled: October 2, 2017Date of Patent: November 12, 2019Assignee: AU OPTRONICS CORP.Inventors: Chao-Wei Yeh, Wei-Cheng Cheng, Yi-Chi Lee, Chen-Chun Lin, Tien-Lun Ting
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Patent number: 10473989Abstract: A thin film transistor (TFT) and a display device including the same capable of displaying an image having a uniform luminance are provided, the TFT including a gate electrode; a gate insulating layer disposed on the gate electrode; a semiconductor layer disposed on the gate insulating layer; a source electrode and a drain electrode disposed on the semiconductor layer while being spaced apart from one another; and a protective layer disposed on the source electrode and the drain electrode and having a contact hole through which a portion of the drain electrode is exposed, wherein the drain electrode includes a first drain electrode overlapping a portion of the gate electrode, a second drain electrode extending from the first drain electrode and having a portion exposed through the contact hole, and a third drain electrode branched from the first drain electrode to be spaced apart from the second drain electrode.Type: GrantFiled: September 25, 2015Date of Patent: November 12, 2019Assignee: Samsung Display Co., Ltd.Inventors: Huigyeong Yun, Daecheol Kim, Konhaeng Lee, Hwarang Lee, Kookhyun Choi
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Patent number: 10409113Abstract: A liquid crystal display includes: a first substrate and a pixel electrode thereon, a second substrate facing the first substrate and a common electrode thereon; at least one alignment layer on at least one of the pixel electrode and the common electrode; and a liquid crystal layer between the pixel electrode and the common electrode. A pixel including the pixel electrode includes a plurality of domains including a first domain. The domains have average orientations of the liquid crystal molecules different from each other. The pixel electrode has a first opening in the first domain, and the first opening extends substantially parallel to an edge of the pixel electrode.Type: GrantFiled: August 7, 2012Date of Patent: September 10, 2019Assignee: Samsung Display Co., Ltd.Inventors: Oh-Jeong Kwon, Jae-Hong Park, Sung-Jae Yun, Hyeok Jin Lee, Jiang Shuai, Kyung Hye Park, Joo Young Yoon
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Patent number: 10338437Abstract: A display device includes: a substrate including a plurality of pixel areas; a thin film transistor on the substrate; a pixel electrode connected to the thin film transistor; an roof layer connected between pixel areas adjacent in a first direction and separated from the pixel electrode; a column protruded from the roof layer in a boundary portion of the pixel areas; a space between the pixel electrode and the roof layer, the roof layer partially overlapping an upper inner wall and a first side inner wall of the space and exposing a second side inner wall of the space; a liquid crystal in the space.Type: GrantFiled: November 17, 2012Date of Patent: July 2, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seon Uk Lee, Yeun Tae Kim, Seong Gyu Kwon, Nam Seok Roh
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Patent number: 10250869Abstract: A method of driving a display device operably switchable between a two-dimensional (2D) display mode and a three-dimensional (3D) display mode. The display device has four electrodes alternatively arranged between first and second substrates. The method includes applying a first voltage to the first electrodes of the first electrode structures and the second electrode structures, a second voltage to the second electrodes of the first electrode structures and the second electrode structures, a third voltage to the third electrodes of the first electrode structures and the second electrode structure; and a fourth voltage to fourth electrodes of the first electrode structures and the second electrode structure, respectively.Type: GrantFiled: December 1, 2015Date of Patent: April 2, 2019Assignee: AU OPTRONICS CORPORATIONInventors: Sheng-Chi Liu, Yung-Sheng Tsai, Jen-Lang Tung
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Patent number: 10162212Abstract: A stereoscopic image display device includes an array substrate defining an active area and a non-active area surrounding the active area; a gate line on the active area and the non-active area; a gate pad on the non-active area; a dummy line defining a dummy pixel on the non-active area by crossing the gate line; a color filter substrate disposed opposing the array substrate with a liquid crystal layer therebetween, the color filter substrate having a color filter and a dummy color filter at a portion corresponding to the dummy pixel; a black stripe on the color filter substrate on a side away from the array substrate, the black stripe disposed at portions corresponding to the non-active area along edges of the active area; and a patterned retardation film formed over the black stripe.Type: GrantFiled: November 27, 2012Date of Patent: December 25, 2018Assignee: LG Display Co., Ltd.Inventors: Jin-Yeong Kim, Hee-Young Chae
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Patent number: 10031367Abstract: An electronic device may be provided with a display that has a layer of liquid crystal material interposed between a color filter layer and a thin-film-transistor layer. The thin-film-transistor layer may have a substrate with an upper surface and a lower surface. A circular polarizer may be formed on the upper surface. Thin-film transistor circuitry such as gate driver circuitry may be formed on the lower surface. A display driver circuit may be mounted on an inactive border region of the lower surface of the thin-film transistor substrate. Display pixels may form an array in a central active region of the display. A grid of metal gate and data lines may distribute signals from the display driver circuit and gate driver circuitry to the display pixels. A grid of non-reflecting lines may be interposed between the grid of metal lines and the lower surface.Type: GrantFiled: September 27, 2012Date of Patent: July 24, 2018Assignee: Apple Inc.Inventors: Victor H. Yin, Jun Qi, Dinesh C. Mathew, Shih-Chang Chang, Cheng Chen, John Z. Zhong, Wei Chen, Adam T. Garelli, Bryan W. Posner, Christiaan A. Ligtenberg
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Patent number: 9753345Abstract: A mother substrate for a display device includes: a first mother substrate and a second mother substrate including a plurality of panel regions and facing each other; a first contact electrode and a second contact electrode on the first mother substrate; a common electrode, a first voltage application electrode and a second voltage application electrode separated from each other and on the second mother substrate; and a liquid crystal layer between the first mother substrate and the second mother substrate. The first voltage application electrode is connected to the first contact electrode, and the second voltage application electrode is connected to the second contact electrode. The first voltage application electrode is applied with a first voltage, and the second voltage application electrode is applied with a second voltage different from the first voltage.Type: GrantFiled: January 2, 2013Date of Patent: September 5, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-In Kim, Sang Yong No, Kook Hyun Choi, Sang Ki Kwak, Jang Soo Kim
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Patent number: 9740052Abstract: Between a pair of mother substrates, spaces are defined by a seal. The pair of mother substrates is cut to cut out cells. The seal is arranged to fill a region between adjacent spaces. On the seal, a low moisture-permeable layer made of a material that is harder and has lower moisture permeability than the seal is laminated in the region between the adjacent spaces. On at least one of the pair of mother substrates, a pair of projecting stripe portions extending along a length of the seal and arranged at an interval is formed in the region between the adjacent spaces at a position overlapping with the seal and the low moisture-permeable layer. In a step of cutting the pair of mother substrates, together with the pair of mother substrates, the seal and the low moisture-permeable layer are cut between the pair of projecting stripe portions.Type: GrantFiled: October 25, 2012Date of Patent: August 22, 2017Assignee: Japan Display Inc.Inventors: Jiro Taniguchi, Takahiro Nagami
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Patent number: 9709844Abstract: A display apparatus capable of controlling light transmittance and a method of manufacturing the display apparatus. The display apparatus includes a transparent display device in which a pixel that has a first region comprising an organic emission layer (organic EL), and a second region adjacent to the first region, the second region transmitting external light, a first circular polarizer in an optical path of light emitted from the transparent display device, a second circular polarizer, the transparent display device being between the first and second circular polarizers, and a transmittance adjusting device including a liquid crystal layer for adjusting transmittance of external light, the transmittance adjusting device being between the transparent display device and the second polarizer such that the transparent display device encapsulates the liquid crystal layer, external light passing through the first circular polarizer, the second circular polarizer, and the transmittance adjusting device.Type: GrantFiled: December 18, 2012Date of Patent: July 18, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang-Hoon Yim, Jong-Hyuk Lee, Young-Woo Song
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Patent number: 9703156Abstract: A liquid crystal display device in which a liquid crystal layer is sandwiched between a TFT substrate having pixel electrodes and opposed electrodes formed and an opposed substrate, an external conductive film of a transparent electrode is formed on an outer surface of the opposed substrate, and an upper polarizing plate is arranged on the external conductive film. A portion of the external conductive film that is not covered with the upper polarizing plate is electrically connected to a ground potential through a conductive thermocompression bonding tape.Type: GrantFiled: August 5, 2014Date of Patent: July 11, 2017Assignee: Japan Display Inc.Inventors: Satoshi Namiki, Tomokazu Saitou, Kouichi Inoue
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Patent number: 9651810Abstract: A display panel includes a first substrate and a second substrate facing the first substrate. The first and substrate includes a plurality of pixel areas and a non-pixel area disposed adjacent to the pixel areas. The display panel further includes a plurality of signal lines disposed on the second substrate. The display panel further includes a color filter disposed on the first substrate or the second substrate. The display panel further includes an inorganic layer disposed on the color filter layer, an organic layer disposed on the inorganic layer, and a conductive layer disposed on the organic layer.Type: GrantFiled: August 9, 2012Date of Patent: May 16, 2017Assignee: Samsung Display Co., Ltd.Inventors: HongKee Chin, Yunjong Yeo, Yui-Ku Lee, Yu-Gwang Jeong, Jin-Young Choi, Sanggab Kim
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Patent number: 9554106Abstract: A projector in which a liquid crystal display panel modulates light emitted from a light source and the modulated image light is projected, the projector includes a temperature detector that detects a temperature in the projector and a controller that determines the amount of overdrive based on the temperature detected by the temperature detector in accordance with a driven state of the projector and performs overdrive control on the liquid crystal display panel based on the amount of overdrive.Type: GrantFiled: December 18, 2012Date of Patent: January 24, 2017Assignee: Seiko Epson CorporationInventors: Takahiro Sagawa, Bi Shi
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Patent number: 9477086Abstract: A display device includes a first polarizer for transmitting first light that is parallel to a first axis and pertains to a two-dimensional image. The display device further includes a first electrode layer, a second electrode layer, and a liquid crystal layer disposed between the first electrode and the second electrode. The liquid crystal layer includes a chiral dopant and a liquid crystal material and is configured to form a lens associated with a predetermined phase distribution. The lens is configured for refracting the first light to transmit second light. The display device further includes a second polarizer for polarizing the second light to transmit third light that is parallel to a second axis. The second axis is oriented at an angle with respect to the first axis in a plan view of the display device. The angle has a predetermined angle size greater than zero degree.Type: GrantFiled: October 17, 2012Date of Patent: October 25, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Suk Choi, Sung Hwan Hong, Su Jin Kim, Heung Shik Park, Ji Hong Bae, Hyeok Jin Lee