Patents Examined by Mariam Qureshi
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Patent number: 11143918Abstract: A display device includes: a base substrate including a display area and a peripheral area; a scan driver disposed on the peripheral area of the base substrate; and a spacer overlapping the scan driver, wherein the spacer includes a first spacer and a second spacer which are spaced apart from each other and have different heights.Type: GrantFiled: January 8, 2019Date of Patent: October 12, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sae Ron Park, Do Yeong Park, Hyun Soo Ryu
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Patent number: 11143926Abstract: The present disclosure illustrates an active matrix substrate includes pixel electrodes forming the pixels; first gate lines respectively disposed between the pixel electrodes extended in parallel to each other; first source line respectively disposed between the pixel electrodes and extended in a direction crossing the first gate lines; capacitor lines respectively disposed between the first gate lines and extended in nonparallel to from one another; switch devices respectively disposed on the pixel electrodes; second source lines respectively disposed between the pixel electrodes and extended in parallel to the first source lines; second gate lines respectively disposed between the pixel electrode and extended in parallel to the first gate lines. The first gate lines, capacitor lines, first source lines, second gate lines, capacitor lines and second source lines are not in electrical connection with each other.Type: GrantFiled: November 15, 2017Date of Patent: October 12, 2021Assignee: HKC Corporation LimitedInventor: Huailiang He
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Patent number: 11143891Abstract: A display device including: a display panel including a first area, a second area spaced apart from the first area, and a bent third area between the first and second areas; a first support film coupled to a bottom surface of the display panel and overlapping the first area; and a second support film coupled to the bottom surface of the display panel, overlapping the second area, and spaced apart from the first support film by a gap, the gap overlapping the third area, a top surface of the first support film facing the display panel and an inner side of the first support film form a first angle, a top surface of the second support film facing the display panel and an inner side of the second support film form a second angle, which is greater than the first angle, and the first support film includes a protruding pattern.Type: GrantFiled: April 22, 2019Date of Patent: October 12, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung Il Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae Cheol Choi
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Patent number: 11143919Abstract: A liquid crystal display includes: a first substrate; a gate line provided in a first direction on the first substrate; a data line insulated from the gate line and provided in a second direction that is perpendicular to the first direction; a sub-spacer overlapping the data line and provided in a bar shape extending in the second direction; a second substrate overlapping the first substrate; and a liquid crystal layer provided between the first substrate and the second substrate, wherein the sub-spacer includes a separation region from which a part of the sub-spacer is removed.Type: GrantFiled: May 19, 2019Date of Patent: October 12, 2021Inventors: Sae Ron Park, Chang Hun Kwak, Jin Suek Kim
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Patent number: 11143875Abstract: An optical device is provided. The optical device includes a first liquid crystal (“LC”) cell and a second LC cell stacked with the first LC cell. The first and second LC cells are configured to provide a phase retardation to a light transmitted therethrough. The optical device also includes at least one first compensation film disposed between the first LC cell and the second LC cell. The optical device also includes a second compensation film disposed at a first side of the first LC cell opposite to a second side of the first LC cell where the at least one first compensation film is disposed. The optical device also includes a third compensation film disposed at a first side of the second LC cell opposite to a second side of the second LC cell where the at least one first compensation film is disposed.Type: GrantFiled: April 29, 2020Date of Patent: October 12, 2021Assignee: FACEBOOK TECHNOLOGIES, LLCInventors: Lu Lu, Fenglin Peng, Mengfei Wang, Wai Sze Tiffany Lam, Scott Charles McEldowney
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Patent number: 11143900Abstract: An active matrix substrate includes a thin film transistor, a pixel electrode, a transparent capacitor portion including the pixel electrode, and when viewed from a direction normal to the substrate, a drain contact region where a drain electrode and a semiconductor layer are in contact with each other in a drain opening portion does not overlap either a first contact region where a connecting electrode and the drain electrode are in contact with each other in the first opening portion or a second contact region where the pixel electrode and the connecting electrode are in contact with each other in the second opening portion, the entirety of the second contact region overlaps the first contact region, and the transparent capacitor portion at least partially overlaps the first contact region.Type: GrantFiled: October 19, 2020Date of Patent: October 12, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Hiroshi Aichi
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Patent number: 11143893Abstract: A display device is provided, including a first flexible substrate, a second flexible substrate, a TFT circuit, and a liquid-crystal layer. The TFT circuit is formed on the first flexible substrate. The liquid-crystal layer is sealed between the first flexible substrate and the second flexible substrate. The first flexible substrate has a first light transmission chromaticity coordinates (x1, y1), and the second flexible substrate has a second light transmission chromaticity coordinates (x2, y2), wherein x1-x2?0.002 or y1-y2?0.002.Type: GrantFiled: September 8, 2020Date of Patent: October 12, 2021Assignee: INNOLUX CORPORATIONInventors: Yu-Chia Huang, Yuan-Lin Wu, Kuan-Feng Lee, Tsung-Han Tsai
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Patent number: 11137632Abstract: A display apparatus including a display panel having a display surface on which an image is displayed, and a light condensing member disposed on an upper portion of the display surface. The light condensing member includes a lower condensing layer having a plurality of protrusions protruding upward, and an upper condensing layer having a higher refractive index than the lower condensing layer and disposed on an upper portion of the lower condensing layer to cover the top surface of the lower condensing layer. The protrusions include an upper surface having a planar shape, and a side surface extending downward from an edge of the upper surface and having a curved shape.Type: GrantFiled: August 23, 2020Date of Patent: October 5, 2021Assignee: Samsung Display Co., Ltd.Inventors: Boo-kan Ki, Hoyun Byun
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Patent number: 11119365Abstract: To improve the appearance of a light distribution pattern. A liquid crystal element including: a first substrate; a second substrate; a liquid crystal layer; and columnar bodies; where the first substrate has a counter electrode provided on its one surface side; where the second substrate is configured to include wiring parts provided on its one surface side, an insulating layer provided on the upper side of the wiring parts, and pixel electrodes provided on the upper side of the insulating layer; where the pixel electrodes are arranged along a first direction; where each wiring part is connected to one of the pixel electrodes, arranged on the lower layer side of the pixel electrodes, and has a connection region that passes through a gap between the pixel electrodes adjacent to each other in the first direction; and where the columnar bodies is provided at a position overlapping the connection region.Type: GrantFiled: October 31, 2019Date of Patent: September 14, 2021Assignee: STANLEY ELECTRIC CO., LTD.Inventor: Yasuo Toko
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Patent number: 11119369Abstract: Disclosed is an array substrate including a first substrate, a first conductive layer, a first passivation layer, a second conductive layer, a second passivation layer, a first electrode layer, a liquid crystal layer, a second electrode layer, and a second substrate in order from bottom to top. The first conductive layer includes a plurality of first traces, the second conductive layer includes a plurality of second traces, and the respective plurality of first traces are connected to the corresponding plurality of second traces through traces of the first electrode layer. Each of the plurality of first traces is provided with a target area and a projection of each of the plurality of second traces on a corresponding connected first trace is located in a corresponding target area to reduce a load of a gate drive circuit and a capacitance between panels.Type: GrantFiled: January 10, 2019Date of Patent: September 14, 2021Assignee: HKC CORPORATION LIMITEDInventor: Yunqin Hu
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Patent number: 11119349Abstract: Embodiments of the present disclosure provide a display device. The display device includes: a display panel including a plurality of sub-pixels, each of the sub-pixels including at least one display unit, each display unit including a first electrode, a second electrode and a liquid crystal layer, the liquid crystal layer being configured to deflect collimated light rays incident onto the display panel by controlling electric signals applied to the first electrode and the second electrode; and an optical member configured to convert collimated light rays emitted from the liquid crystal layer into divergent light rays.Type: GrantFiled: August 18, 2017Date of Patent: September 14, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongxiao Li, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Haiyan Wang, Chen-Yu Chen, Xiaochen Niu, Jinye Zhu
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Patent number: 11119374Abstract: According to one embodiment, a display device includes a liquid crystal layer between a first substrate and a second substrate. The first substrate includes a wiring line and a pixel electrode. The liquid crystal layer contains a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer contains a first polymer in an area overlapping the wiring line and a second polymer in an area overlapping the pixel electrode. The first polymer includes a first portion extending in a direction different from the first direction. The second polymer includes a second portion extending in a direction different from the first direction. A density of the first portion is higher than a density of the second portion.Type: GrantFiled: March 4, 2020Date of Patent: September 14, 2021Assignee: Japan Display Inc.Inventors: Kojiro Ikeda, Kentaro Okuyama, Tenfu Nakamura
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Patent number: 11119327Abstract: An optical device includes a stack of multiple grating structures, each of which includes a plurality of sublayers of liquid crystal material. Each sublayer of liquid crystal material includes laterally extending repeating units, each formed of a plurality of liquid crystal molecules. The repeating units of the liquid crystal layers are lateral offset from one another, and defined a tilt angle. The grating structures forming the stack of grating structure have tilt angles of different magnitudes. The grating structures may be configured to redirect light of visible or infrared wavelengths. Advantageously, the different tilt angles of the stack of grating structures allows for highly efficient diffraction of light incident on the grating structures at a wide range of incident angles.Type: GrantFiled: June 17, 2020Date of Patent: September 14, 2021Assignee: Magic Leap, Inc.Inventor: Chulwoo Oh
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Patent number: 11119268Abstract: A backlight module is provided. The backlight module includes a light guide plate; a plurality of reflective gratings on a first side of the light guide plate; and a plurality of reflectors on a second side of the light guide plate. A respective one of the plurality of reflective gratings is configured to diffract and reflect a portion of light totally reflected in the light guide plate into diffracted light transmitting across the light guide plate from the first side toward the second side. A portion of the diffracted light has a respective wavelength range to be received by a respective reflector. The respective one of the plurality of reflectors is configured to reflect the portion of the diffracted light having the respective wavelength range transmitting from the second side toward the first side to a position between the respective grating and an adjacent reflective grating.Type: GrantFiled: October 10, 2019Date of Patent: September 14, 2021Assignee: BOE Technology Group Co., Ltd.Inventors: Xiandong Meng, Jifeng Tan, Xianqin Meng, Qiuyu Ling, Wei Wang, Xiaochuan Chen
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Patent number: 11112644Abstract: The present disclosure discloses a display screen and a display device, wherein the display screen comprises a display area and a non-display area; the display area comprises a first opening area, and the non-display area comprises a first non-display area and a second non-display area; the second non-display area is embedded in the first opening area; the first non-display area surrounds the display area and the second non-display area; the display screen comprises a front sensor, a first substrate and a second substrate; the first substrate covers the display area, the first non-display area and the second non-display area, and the second substrate covers the display area, the first non-display area and the second non-display area; the front sensor is arranged in the second non-display area; and the first substrate and the second substrate allow light to pass through at respective positions corresponding to the second non-display area.Type: GrantFiled: January 16, 2020Date of Patent: September 7, 2021Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Hongbo Zhou, Qiaohua Zheng, Yuping Ma
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Patent number: 11112636Abstract: A display device including a liquid crystal display, light-emitting diode boards, a system board, and a flexible circuit board is provided. The plurality of light-emitting diode boards are disposed adjacent to the liquid crystal display and overlaps a peripheral region of the liquid crystal display in a normal direction of the display device. At least one of the light-emitting diode boards includes a carrier, light-emitting diodes, and connecting pads. The carrier has a first surface and a second surface opposite to the first surface and located between the first surface and the liquid crystal display. The light-emitting diodes are disposed on the first surface. The connecting pads are disposed on the second surface and are electrically connected to the light-emitting diodes. The system board is located below and electrically connected to the liquid crystal display. The system board is electrically connected to the connecting pads through the flexible circuit board.Type: GrantFiled: September 23, 2020Date of Patent: September 7, 2021Assignee: Innolux CorporationInventors: Chia-Chieh Fan, Tong-Jung Wang
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Patent number: 11112642Abstract: The invention relates optical devices, for example pixelated devices such as an optical device having a plurality of coloured pixels, each said pixel comprising a filter structure, the filter structure comprising: a first metallic layer; a dielectric layer over said first metallic layer; and a second metallic layer over said dielectric layer; wherein said second metallic layer comprises a nanostructured metallic layer having a lateral structure with features having at least one characteristic lateral dimension equal to or less than 1 ?m, and wherein said second metallic layer is structured to couple light incident on said second metallic layer into at least two absorption modes of the filter structure, one to either side of a target wavelength, such that said filter structure appears coloured at said target wavelength in reflected or transmitted light.Type: GrantFiled: May 24, 2018Date of Patent: September 7, 2021Assignee: Cambridge Enterprise LimitedInventors: Calum Williams, Timothy Wilkinson
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Patent number: 11112648Abstract: A white light emitting device, including a circuit board; a plurality of light sources mounted on the circuit board, each light source of the plurality of light sources configured to emit monochromatic light; a light converter spaced apart from the circuit board, the light converter configured to convert the monochromatic light emitted from the light sources to white light; and a compensator provided between the circuit board and the light converter, the compensator configured to convert the emitted monochromatic light to white light.Type: GrantFiled: December 20, 2019Date of Patent: September 7, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Pil Jeon, Jong-hoi Kim, Kye Hoon Lee, Dae-hee Lee, Byoung-Jin Cho, Suk-ju Choi
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Patent number: 11112657Abstract: A liquid crystal display device includes a first substrate having a first electrode, a second substrate having a second electrode, a liquid crystal layer, a first polarizer, and a second polarizer. A chiral agent is added in a liquid crystal filled in the liquid crystal layer, a pitch of the liquid crystal is about 8-60 ?m; an effective optical path difference of the liquid crystal is about 300-550 nm. By adding a chiral agent to the liquid crystal, changing the angle between the stem electrode and the branch electrode or the angle between the polarization axis of the polarizer and the stem electrode, the transmittance is maximized, thereby achieving high transmittance display.Type: GrantFiled: November 13, 2019Date of Patent: September 7, 2021Inventor: Xingwu Chen
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Patent number: 11112672Abstract: An optical device comprising a stack of the following layers: a capping layer; a layer of light absorber material; and a reflective layer, wherein the refractive index of the capping layer is at least 1.6.Type: GrantFiled: June 26, 2020Date of Patent: September 7, 2021Assignee: OXFORD UNIVERSITY INNOVATION LIMITEDInventors: Peiman Hosseini, Harish Bhaskaran, Ben Broughton