Patents Examined by Thanh-Nhan P Nguyen
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Patent number: 11372278Abstract: A liquid crystal panel cutting device for cutting a liquid crystal panel includes a first cutter, a second cutter and a control member, the first cutter having two first cutting wheels that are separated from each other with a distance; the second cutter having a second cutting wheel, and the first cutter and the second cutter are opposite provided and the second cutting wheel is located between the first cutting wheels; and the control member connecting to the first cutter and the second cutter by signals, the control member controlling the first cutter to cut the upper plate downward along a gravity direction, and controlling the second cutter to cut the lower plate upward in a reverse direction of the gravity direction.Type: GrantFiled: February 19, 2020Date of Patent: June 28, 2022Assignee: LITEMAX ELECTRONICS INC.Inventor: Jung-Chi Lo
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Patent number: 11365348Abstract: A quantum dot includes a core including a first semiconductor nanocrystal and a multi-layered shell disposed on the core and including at least two layers, a production method thereof, and an electronic device including the same. The quantum dot does not include cadmium; the first semiconductor nanocrystal includes a Group III-V compound, the multi-layered shell includes a first layer surrounding at least a portion of a surface of the core, the first layer including a second semiconductor nanocrystal, the second semiconductor nanocrystal including a Group II-V compound, and a second layer disposed on the first layer, the second layer including a third semiconductor nanocrystal, the third semiconductor nanocrystal comprising a composition different from that of the second semiconductor nanocrystal.Type: GrantFiled: January 11, 2019Date of Patent: June 21, 2022Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Young Seok Park, Eun Joo Jang, Shin Ae Jun, Nayoun Won, Jooyeon Ahn, Sung Woo Kim
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Patent number: 11347088Abstract: An anti-peep structure, a method for manufacturing an anti-peep structure, and a display device are provided. The anti-peep structure includes a substrate made of a first material having a first refractive index, the substrate including a light incident surface and a light outgoing surface disposed opposite to each other, where a plurality of grooves are disposed in the substrate at a side of the light incident surface or the light outgoing surface; a second material having a second refractive index disposed in the plurality of grooves; and a refractive index regulating component configured to control the second refractive index; where a viewing angle at the light outgoing surface is determined by a difference between the first refractive index and the second refractive index.Type: GrantFiled: August 6, 2019Date of Patent: May 31, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongchuan Chen, Xueqiang Qian, Bingyang Liu, Dan Wang, Xinli Ma
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Patent number: 11347111Abstract: This application discloses a method for manufacturing a display panel and a display panel. The display panel (100) includes: a first substrate (111); a second substrate (112) and a sealant (132), adhering the first substrate (111) and the second substrate (112) in a sealed manner. The first substrate (111) is provided with at, least one metallic wire (120) in a sealant region (130). The sealant region (131) is provided with a depressed portion (141).Type: GrantFiled: October 23, 2018Date of Patent: May 31, 2022Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventor: Junhong Cao
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Patent number: 11314129Abstract: Provided are a front light source and a display apparatus. The front light source is disposed on a light emitting side of a display panel. The front light source includes: a light guide member and a light emitting member disposed on a light incident side of the light guide member, the light guide member being configured to guide light emitted by the light emitting member onto the display panel; the light emitting member includes: a light source element and a quantum dot element which are disposed on a same layer, the light source element being configured to emit light of a first color, and the quantum dot element being configured to emit light of three colors including three-primary colors under excitation of the light emitted by the light source element, the first color is one of the three-primary colors.Type: GrantFiled: December 25, 2019Date of Patent: April 26, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Song Yang, Ming Zhu, Shiyu Zhang, Zheng Fang, Ge Shi, Haijun Niu, Yujie Liu, Jiahui Han, Yuyao Wang
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Patent number: 11294219Abstract: A quantum dot color filter substrate, a display panel, and a display device are provided. The quantum dot color filter substrate includes a plurality of pixel units arranged in an array. The pixel unit includes a blue sub-pixel, a red sub-pixel, and a green sub-pixel. The red sub-pixel includes a red quantum dot color filter. The green sub-pixel includes a green quantum dot color filter. An area ratio of the blue sub-pixel, the red sub-pixel, and the green sub-pixel is 1:X:Y, and 2.5?X?5, 4?Y?6. The quantum dot color filter substrate is used for cooperating with a blue backlight, and for compensating the difference in the conversion efficiency of the blue dot color filter with different colors for the blue light, and improving the color shift phenomenon caused by the difference in the conversion efficiency of the blue dot color filter with different colors to blue light.Type: GrantFiled: October 11, 2019Date of Patent: April 5, 2022Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yongli Jiang, Qijun Yao
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Patent number: 11289044Abstract: A display device includes a substrate, a plurality of scan lines and a plurality of data lines. The data lines respectively have a first segment that overlaps one of the scan lines and a second segment that is located between adjacent two of the scan lines. A first segment of a first data line and a first segment of a second data line are separated by a distance Wa. A first segment of a third data line and a first segment of a fourth data line are separated by a distance Wc. A second segment of the first data line and a second segment of the second data line are separated by a distance W1. A second segment of the third data line and a second segment of the fourth data line are separated by a distance W3. The distances Wa, Wc, W1 and W3 have a relationship (W1/Wa)?(W3/Wc).Type: GrantFiled: June 14, 2020Date of Patent: March 29, 2022Assignee: InnoLux CorporationInventors: Chia-Min Yeh, Hui-Min Huang, Hsieh-Li Chou, Cheng-Tso Chen, Yu-Chien Kao, Li-Wei Sung
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Patent number: 11221531Abstract: The preset disclosure discloses a display substrate and a display device. The display substrate includes a signal line. The display substrate further includes: a discharge-limiting component, and an orthographic projection of the discharge-limiting component on the base substrate of the display substrate and an orthographic projection of the signal line on the base substrate at least partially overlap.Type: GrantFiled: October 29, 2019Date of Patent: January 11, 2022Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Hongfei Cheng
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Patent number: 11221510Abstract: Embodiments of the present disclosure relate to a movable electrode structure and a liquid crystal lens. The movable electrode structure includes: a substrate; a support on the substrate; a first beam having elasticity and attached to the support; an electrode attached to the first beam; and an opposing member located on the substrate and at least partially facing the first beam.Type: GrantFiled: May 15, 2019Date of Patent: January 11, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhidong Wang, Lijia Zhou, Junrui Zhang, Rongjian Yan, Quanguo Zhou, Li Tian, Ronghua Lan, Xuehui Zhu
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Patent number: 11221523Abstract: A liquid crystal display includes: a gate line connected to a gate electrode; a semiconductor layer disposed on the gate line and including silicon; an ohmic contact layer disposed on the semiconductor layer; and a data conductor disposed on the ohmic contact layer. The semiconductor layer includes a source region, a drain region, and a channel region disposed between the source region and the drain region. The data conductor includes a data line transmitting a data signal, a source electrode corresponding to the source region, and a drain electrode corresponding to the drain region. A channel step of the semiconductor layer is a height difference between an upper surface in the source region or the drain region and an upper surface in the channel region. The upper surface in the source region or the drain region has a maximum height of the semiconductor layer.Type: GrantFiled: June 7, 2019Date of Patent: January 11, 2022Inventors: Ki Pyo Hong, Wan Namgung, Seung-Kyu Lee, Hyun Seong Kang, Byeong Jae Ahn
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Patent number: 11194198Abstract: According to one embodiment, there is provided a display device including a first display panel, a second display panel, a polarizer, and a light source unit. The first display panel includes a first liquid crystal layer. The second display panel includes a second liquid crystal layer. The polarizer has an absorption axis which allows absorption of linearly polarized light. The light source unit is opposed to a first end portion of the first display panel and a second end portion of the second display panel. Each of the first liquid crystal layer and the second liquid crystal layer includes streak-like polymers and liquid crystal molecules.Type: GrantFiled: March 21, 2019Date of Patent: December 7, 2021Assignee: Japan Display Inc.Inventor: Kentaro Okuyama
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Patent number: 11169393Abstract: A 3D display element is disclosed. In an embodiment a 3D display element includes a light-emitting component configured to emit light and an optical arrangement, wherein the light-emitting component includes a plurality of triplets, each triplet including a first, a second and a third light-emitting region, wherein the triplets are arranged side by side in a first lateral plane, wherein the regions are arranged side by side in the first lateral plane, wherein the optical arrangement is configured to diverge light of adjacent triplets passing through the optical arrangement, and wherein light of a triplet passing through the optical arrangement is mixed.Type: GrantFiled: March 7, 2018Date of Patent: November 9, 2021Assignee: OSRAM OLED GMBHInventors: Peter Brick, Hubert Halbritter, Mikko Perälä
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Patent number: 11163190Abstract: A second substrate of an electro-optical device is provided with a first curved surface. A first lens layer covers the first curved surface, and includes a second curved surface at a surface on an electro-optical layer side. A second lens layer covers the second curved surface, and includes a flat surface on the electro-optical layer side. A third lens layer includes a third curved surface on the electro-optical layer side. A fourth lens layer covers the third curved surface, and includes a fourth curved surface on the electro-optical layer side. A fifth lens layer covers the fourth curved surface. Between the second lens layer and the third lens layer, a light shielding member including a partition and a light shielding member for alignment is provided.Type: GrantFiled: February 5, 2021Date of Patent: November 2, 2021Assignee: SEIKO EPSON CORPORATIONInventor: Satoshi Ito
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Patent number: 11150505Abstract: Display panel and display device are provided. The display panel includes: a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The first substrate includes a first base substrate and an optical sensor disposed on the first base substrate. The second substrate includes a second base substrate, a black matrix disposed on the second base substrate, and a light collecting structure disposed on a side of the black matrix adjacent to the first substrate. The optical sensor and the light collecting structure overlap each other in a direction perpendicular to the display panel. The light collecting structure includes at least one transparent protrusion protruded along a direction perpendicular to a surface of the first or second substrate and from the second substrate to the first substrate. The light collecting structure has a refractive index larger than the liquid crystal layer.Type: GrantFiled: June 6, 2019Date of Patent: October 19, 2021Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Ankai Ling, Xuanxian Cai, Binyi Zheng, Boping Shen
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Patent number: 11150525Abstract: An active matrix substrate includes: a substrate; pixel electrodes in a matrix; switching elements; common electrodes; a terminal group including first terminals and second terminals and having a length in the row direction smaller than a length of a region of the switching elements in the row direction and a region of the common electrodes in the row direction; switching element wires; and common electrode wires. The terminal group is disposed at an end of the substrate in the column direction. The terminal group includes: a center terminal group in the middle of the terminal group and including the first terminals arranged in the row direction; and end terminal groups at either end of the terminal group and including the first terminals and the second terminals in the row direction. Each of the second terminals is between the first terminals adjacent to each other in the row direction.Type: GrantFiled: March 9, 2018Date of Patent: October 19, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Yohsuke Fujikawa
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Patent number: 11137633Abstract: An optical substrate according to the present disclosure includes a base having translucency, a translucent layer having translucency, and a lens layer that is disposed between the base and the translucent layer and includes a lens assembly including a plurality of lenses. The lens assembly and the base are disposed with a space therebetween. The lens layer includes a through hole that extends through the lens layer in a thickness direction. The translucent layer is disposed over the through hole.Type: GrantFiled: February 14, 2020Date of Patent: October 5, 2021Assignee: SEIKO EPSON CORPORATIONInventor: Satoshi Ito
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Patent number: 11126052Abstract: According to an aspect, an array substrate includes: a substrate; a light-shielding layer; a first gate electrode; a semiconductor layer; a signal line; and an electrode. A first surface of the substrate is provided with, in sequence, the light-shielding layer, the first gate electrode, the semiconductor layer, the signal line, and the electrode. The semiconductor layer includes a first impurity region electrically coupled to the electrode, a first channel region overlapping the first gate electrode, a second impurity region opposite to the first impurity region with respect to the first channel region, and a first lightly doped drain region between the first impurity region and the first channel region. The light-shielding layer has a first end and a second end opposite to each other. The first end overlaps the first channel region. The light-shielding layer overlaps a boundary between the first channel region and the first lightly doped drain region.Type: GrantFiled: December 20, 2018Date of Patent: September 21, 2021Assignee: Japan Display Inc.Inventors: Yoshitaka Ozeki, Gen Koide, Nobutaka Ozaki
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Patent number: 11119381Abstract: A method for directing light beams includes generating a light beam along a light path. A voltage differential is created by generating a voltage in a first and second linear electrode contacts arranged such that the first and second linear electrical contacts alternate with each other. The light path is altered by passing the light beam through a liquid crystal device coupled to the first and second linear electrical contacts.Type: GrantFiled: December 21, 2017Date of Patent: September 14, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventor: Sajjad A. Khan
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Patent number: 11105963Abstract: Optical systems may have tunable lenses with focal lengths that are adjusted by control circuitry. A display may produce image light that is received by a tunable lens. The display may be transparent so that light from objects can pass through the display and be received by the tunable lens. The tunable lens may include a birefringent lens element and a polarization rotator and may receive light that has been linearly polarized by passing through a linear polarizer. The polarization rotator may be operable in a first state in which the polarization of light passing through the polarization rotator is not rotated and a second state in which the polarization of light passing through the polarization rotator is rotated by 90°. The birefringent lens element may be formed from a cured liquid crystal polymer or other polymer and may have a liquid crystal additive to enhance birefringence.Type: GrantFiled: March 9, 2017Date of Patent: August 31, 2021Assignee: Apple Inc.Inventors: Yuan Chen, Bennett S. Wilburn, Cheng Chen, Michael Slootsky, Shuang Wang, Zhibing Ge
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Patent number: 11099415Abstract: A support part for an LCD display module of an electronic device includes at least one element for receiving a press device for pressing a dummy key. The support part at least one attachment element for securing the part to a printed circuit board of the electronic device such that the press device is compressed between the support part and the printed circuit board.Type: GrantFiled: September 22, 2017Date of Patent: August 24, 2021Inventors: Marion Froment, Philippe Dedieu