Patents Examined by Alexander P Gross
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Patent number: 11719987Abstract: A transistor substrate is provided. The transistor substrate includes a plurality of data lines and a plurality of scan lines. The scan lines intersect with the data lines to define a plurality of pixel units. One of the pixel units includes a first electrode, a second electrode and a switching transistor. The first electrode has a slit including a major axis portion and a curved portion connected to the major axis portion. One of the first electrode and the second electrode is used for receiving a pixel voltage signal, and the other is used for receiving a common voltage signal. The switching transistor includes a switching electrode. The switching electrode and the curved portion of the slit have an overlapping region, and an area of the overlapping region is 0.2 times to 0.8 times an area of the curved portion.Type: GrantFiled: August 31, 2022Date of Patent: August 8, 2023Assignee: INNOLUX CORPORATIONInventors: Yung-Shun Yang, Chun-Liang Lin, Yi-Ching Chen, Nai-Fang Hsu
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Patent number: 11714302Abstract: An object is to provide an optical element in which a wavelength dependence of refraction of transmitted light is small, and a light guide element including the optical element.Type: GrantFiled: June 26, 2020Date of Patent: August 1, 2023Assignee: FUJIFILM CorporationInventors: Hiroshi Sato, Yukito Saitoh
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Patent number: 11709404Abstract: A display device includes a base layer, a first pixel transistor, a first gate line, a first data line electrically connected to the first pixel transistor, a first pixel electrode electrically connected to the first pixel transistor and overlapping the first data line in a plan view, and a porous layer. The porous layer is disposed between the first data line and the first pixel electrode and includes a matrix including a polymer resin and a plurality of void portions defined in the matrix. The display device is capable of displaying a sharp image because the porous layer alleviates or prevents a crosstalk between the first data line and the first pixel electrode.Type: GrantFiled: September 15, 2020Date of Patent: July 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyelim Jang, Young Gu Kim, Jiyun Park, Jongho Son, Jongmin Ok, Sun-Young Chang, Baekkyun Jeon, Kyungseon Tak
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Patent number: 11703721Abstract: Liquid crystal light beam control devices and their manufacture are described. Beneficial aspects of beam broadening devices employed for controlled illumination and architectural purposes are presented including improving beam divergence control, improving beam broadening dynamic range control, beam divergence preconditioning, improving projected beam intensity uniformity.Type: GrantFiled: October 4, 2018Date of Patent: July 18, 2023Inventors: Vladimir Presniakov, Karen Asatryan, Armen Zohrabyan, Tigran Galstian, Aram Bagramyan, Simon Careau
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Patent number: 11698557Abstract: Disclosed are dimming assemblies and display systems for reducing artifacts produced by optically-transmissive displays. A system may include a substrate upon which a plurality of electronic components are disposed. The electronic components may include a plurality of pixels, a plurality of conductors, and a plurality of circuit modules. The plurality of pixels may be arranged in a two-dimensional array, with each pixel having a two-dimensional geometry corresponding to a shape with at least one curved side. The plurality of conductors may be arranged adjacent to the plurality of pixels. The system may also include control circuitry electrically coupled to the plurality of conductors. The control circuitry may be configured to apply electrical signals to the plurality of circuit modules by way of the plurality of conductors.Type: GrantFiled: July 2, 2020Date of Patent: July 11, 2023Assignee: Magic Leap, Inc.Inventors: Andrew Ian Russell, Jahja I. Trisnadi, Vaibhav Mathur, David Manly, Michael Robert Johnson, Clinton Carlisle
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Patent number: 11693287Abstract: A chip on film for a display device, the chip on film includes: a base substrate; a lead wire disposed on the base substrate; and a driving chip connected to the lead wire, wherein the lead wire includes: a first lead part having a first thickness; and a second lead part disposed between the first lead part and the driving chip and having a second thickness greater than the first thickness, the second lead part being connected to the driving chip. The first lead part and the second lead part include a same material.Type: GrantFiled: March 11, 2021Date of Patent: July 4, 2023Assignee: Samsung Display Co., LTD.Inventors: Myong Soo Oh, Jun O Song, Seung Ho Choi
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Patent number: 11668963Abstract: A switchable privacy display comprises a spatial light modulator (SLM), a first switchable liquid crystal (LC) retarder and first passive retarder between a first pair of polarisers and a second switchable LC retarder and second passive retarder between a second pair of polarisers. The first switchable LC retarder comprises two homeotropic alignment layers and the second switchable LC retarder comprises two homogeneous alignment layers. In privacy mode, on-axis light from the SLM is directed without loss, whereas off-axis light has reduced luminance to reduce visibility to off-axis snoopers. The display may achieve privacy operation in landscape and portrait orientations. Further, display reflectivity may be reduced for on-axis reflections of ambient light, while reflectivity may be increased for off-axis light to achieve increased visual security. In public mode, the LC retardance is adjusted so that off-axis luminance and reflectivity are unmodified.Type: GrantFiled: April 29, 2021Date of Patent: June 6, 2023Assignee: RealD Spark, LLCInventors: Graham J. Woodgate, Michael G Robinson, Robert A Ramsey
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Patent number: 11668993Abstract: A display apparatus can include a display panel; a first light path control layer including a plurality of lower slits, a first electrophoresis liquid having first light blocking particles injected into the plurality of lower slits, and a lower driving electrode pattern disposed to intersect a longitudinal direction of the plurality of lower slits; and a second light path control layer disposed on the first light path control layer, the second light path control layer including a plurality of upper slits, a second electrophoresis liquid having second light blocking particles injected into the plurality of upper slits, and an upper driving electrode pattern disposed to intersect a longitudinal direction of the plurality of upper slits.Type: GrantFiled: May 3, 2022Date of Patent: June 6, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Sanghyun Lee, Minsoo Park
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Patent number: 11656515Abstract: A liquid crystal on silicon (LCOS) device includes a silicon substrate and a pair of electrodes including an upper and a lower electrode. The lower electrode is mounted to the silicon substrate and includes a two dimensional array of pixels extending in both a first and second dimension. LCOS device also includes a liquid crystal layer disposed between the upper and lower electrodes and configured to be driveable into a plurality of electrical states by drive signals provided to the pixels of the lower electrode. The pixels are rectangular in profile having longer sides in the first dimension than in the second dimension. Further, the two dimensional array includes a pixel pitch that is greater in the first dimension than in the second dimension.Type: GrantFiled: June 25, 2021Date of Patent: May 23, 2023Assignee: II-VI DELAWARE, INCInventors: Julian Armstrong, Luke Stewart, Glenn Wayne Baxter, Jonathan Plumridge
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Patent number: 11656492Abstract: An electronic device includes: a first substrate; a second substrate opposite to the first substrate; a black matrix layer disposed between the first and second substrates and including a first pixel region and a first shielding region disposed along a first direction, wherein the first pixel region includes a first sub-pixel opening; a scan line disposed between the first and second substrates and extending along a second direction different from the first direction, wherein the first shielding region overlaps the scan line; and a first color resist and a second color resist disposed in the fielding region, having different colors and overlapping each other to form an overlapping region, wherein a width of the overlapping region at the second direction is greater than or equal to 0 and less than 50% of a width of the first sub-pixel opening at the second direction.Type: GrantFiled: November 22, 2021Date of Patent: May 23, 2023Assignee: INNOLUX CORPORATIONInventors: Wei-Chih Chen, Chih-Ming Liang
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Patent number: 11644727Abstract: A display panel, a manufacturing method of the display panel, and a display device are disclosed. The display panel includes a first substrate and a second substrate. The first substrate includes a first base, a light-shielding layer disposed on the first base, and a color filter layer disposed on the first base, and a common electrode layer disposed on the light-shielding layer and the color filter layer. The common electrode layer is provided with an opening at a position opposite to the color filter layer.Type: GrantFiled: April 22, 2021Date of Patent: May 9, 2023Assignees: Beihai HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITEDInventors: Yang Pu, WenChin Hung, Wei Li
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Patent number: 11640083Abstract: An improvement in contrast is achieved by suitably offsetting a phase difference produced by oblique light in a liquid-crystal panel. An optical compensation apparatus includes a negative C-plate and two O-plates, an amount of a composite phase difference between the two O-plates and the negative C-plate in a tilt-direction cross section is substantially same as an amount of a phase difference produced by light having each of incident angles in a predetermined incident-angle range in the liquid-crystal panel, and a sign of the composite phase difference is opposite to a sign of the phase difference, the tilt-direction cross section being a cross section parallel to a tilt direction of the liquid crystal in a vertical-alignment-type liquid-crystal panel.Type: GrantFiled: June 21, 2018Date of Patent: May 2, 2023Assignee: SONY CORPORATIONInventors: Ryoko Horikoshi, Keigo Inoue
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Patent number: 11635655Abstract: A display device is provided, including two substrates and a liquid crystal layer. Each of the substrates has two opposite surfaces and two opposite sides. The liquid crystal layer is sandwiched between the two substrates. At least one of the two substrates has an inclined portion on at least one of the two opposite sides which is connected to one of the two opposite surfaces, and has an included angle greater than 90 degrees and less than 180 degrees in association with the connected surface.Type: GrantFiled: March 17, 2022Date of Patent: April 25, 2023Assignee: Innolux CorporationInventors: Luca Hung, Joe Huang
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Patent number: 11630359Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a common electrode. The common electrode includes an electrode unit array. The electrode unit array includes a plurality of electrode units. Each of the electrode units corresponds to two adjacent sub-pixels. Each of the electrode units includes a boundary electrode line and an inner region defined by the boundary electrode line. The inner region includes a first region and a second region. The first region includes a plurality of first strip electrode lines having a same longitudinal direction. Two adjacent first strip electrode lines are not connected inside the first region. The second region includes a plurality of second strip electrode lines having a same longitudinal direction. Two adjacent second strip electrode lines are not connected inside the second region.Type: GrantFiled: December 27, 2018Date of Patent: April 18, 2023Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ruifang Du, Fengzhen Lyu, Hui Li, Xiaoye Ma
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Patent number: 11630362Abstract: A one-way glass with switching modes includes an absorbing layer located on a weak light side, a reflecting layer located on an intense light side, and a converting layer stacked between the absorbing layer and the reflecting layer. The absorbing layer absorbs first polarized light and allows second polarized light to pass through. The reflecting layer reflects the first polarized light and allows the second polarized light to pass through. Unpolarized light incident from the weak light side or from the intense light side is respectively converted into the polarized light. During the process of gradually adjusting the converting layer from a twisted state to a vertical state, rotated angles of polarization directions of the first polarized light and the second polarized light gradually decrease.Type: GrantFiled: June 17, 2022Date of Patent: April 18, 2023Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Chun-Ta Wang, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin, Hung-Chang Jau
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Patent number: 11624944Abstract: A switchable backlight for a switchable privacy display apparatus comprises a collimated waveguide and an optical turning film comprising first and second arrays of elongate prismatic elements. High image luminance and image visibility is provided for off-axis viewers in a public mode of operation while in a privacy mode of operation visual security level above a perceived privacy threshold may be achieved for off-axis snoopers.Type: GrantFiled: July 28, 2021Date of Patent: April 11, 2023Assignee: RealD Spark, LLCInventors: Michael G Robinson, Graham J Woodgate, Jonathan Harrold
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Patent number: 11609460Abstract: A flat panel display having an improved picture quality is disclosed. In one embodiment, a first pixel electrode and a second pixel electrode are formed in each subpixel area. The electrodes enclose an open space (gap) such that their outer boundary has a substantially rectangular shape. The flat panel display may also include a capacitance electrode coupled to the second pixel electrode to form a coupling capacitor. In use, the coupling capacitor operates such that a magnitude of a voltage applied to the first pixel electrode is lower than an applied data voltage, and a magnitude of a voltage applied to the second pixel electrode is higher than an applied voltage. The different voltages operate such that a tilt direction of LC molecules disposed above the first pixel electrode differs from a tilt direction of LC molecules disposed above the second pixel electrode.Type: GrantFiled: June 9, 2021Date of Patent: March 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Jang-Kun Song
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Patent number: 11600672Abstract: A display device includes a viewing angle control layer including a liquid crystal layer disposed on a second electrode of an organic light-emitting element and the control electrode disposed on the liquid crystal layer, the control electrode includes a plate electrode and a plurality of tip electrodes protruding from the plate electrode toward the second electrode, wherein the plurality of tip electrodes are arranged within a light-emitting area of the organic light-emitting element, and the liquid crystal layer includes positive c-plate liquid crystal molecules aligned vertically.Type: GrantFiled: December 6, 2021Date of Patent: March 7, 2023Assignee: LG DISPLAY CO., LTD.Inventor: Hyunseung Kim
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Patent number: 11600101Abstract: Provided is a liquid-crystal display device including a display panel, a backlight module, and a fingerprint identification module. The display panel includes a display region. The display region includes a first display region and a second display region. The second display region also serves as a light sensing element region. The backlight module is configured to provide a backlight for the display panel and is provided with a via penetrating through the backlight module. The fingerprint identification module is disposed inside the via and includes a fingerprint identification sensor, a light plate, and a quantum dot film. The light plate is disposed between the fingerprint identification sensor and the quantum dot film. The quantum dot film is disposed between the light plate and the display panel. The quantum dot film includes at least one quantum dot set. The at least one quantum dot set includes infrared quantum dots.Type: GrantFiled: September 26, 2021Date of Patent: March 7, 2023Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Tianzhu Shi, Zhiqi Chen, Chao Dai
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Patent number: 11573456Abstract: This application relates to a liquid crystal display which comprises: an upper polarizer; a lower polarizer; and a liquid crystal panel provided between the upper polarizer and the lower polarizer, in which the upper polarizer and the lower polarizer are provided so that absorption axes of the upper and lower polarizers are parallel to each other, a first half wave plate, a positive C plate, and a second half wave plate are sequentially comprised between the upper polarizer and the liquid crystal panel, and the liquid crystal panel is a vertical alignment liquid crystal mode.Type: GrantFiled: June 4, 2019Date of Patent: February 7, 2023Assignee: LG CHEM, LTD.Inventors: Nayoung Shin, Junwon Chang, Moon Soo Park, Kyun Il Rah