Patents Examined by Dung T. Nguyen
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Patent number: 12164208Abstract: An optical system in one aspect of the present disclosure includes a first light source, a second light source, a first spatial optical phase modulator, a second spatial optical phase modulator, and a projector. The first spatial optical phase modulator outputs first phase-modulated light based on an input light having a first wavelength from the first light source. The second spatial optical phase modulator outputs second phase-modulated light based on input light having a second wavelength from the second light source. The projector projects the first phase-modulated light and the second phase-modulated light on a target. The first spatial optical phase modulator is a liquid crystal device including a first liquid crystal layer. The second spatial optical phase modulator is a liquid crystal device including a second liquid crystal layer. The first liquid crystal layer includes a liquid crystal material different from that of the second liquid crystal layer.Type: GrantFiled: February 19, 2020Date of Patent: December 10, 2024Assignee: santec Holdings CorporationInventor: Yasuki Sakurai
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Patent number: 12164189Abstract: Provided are a liquid crystal panel which has good visibility and in which a decrease in the display quality is sufficiently suppressed, and a head mounted display and a liquid crystal display device using the same. The liquid crystal panel includes a liquid crystal layer, a spacer, and a light-shielding section between a first substrate a second substrate facing the first substrate. The light-shielding section includes column-direction light-shielding sections arranged in a column direction and shielding parts between the pixels aligned in a row direction from light, and row-direction light-shielding sections arranged in the row direction and shielding parts between the pixels aligned in the column direction from light. The row-direction light-shielding sections include one that includes a first light-shielding section including an arrangement region of the spacer and a second light-shielding section adjacent to the first light-shielding section in the column direction.Type: GrantFiled: August 14, 2023Date of Patent: December 10, 2024Assignee: Sharp Display Technology CorporationInventors: Seiichi Uchida, Kuniaki Okada, Keisuke Yoshida
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Patent number: 12158679Abstract: A display device includes a first pixel, a second pixel, and a third pixel arranged in a first direction in a display area arranged on a first substrate, a first source wiring, a second wiring, and a third wiring extending in the first direction, and connected to each of the first pixel to the third pixel, and a first gate wiring, a second gate wiring, and a third wiring intersecting the first direction, and connected to each of the first pixel to the third pixel. The first pixel includes a first transistor electrically connected to the first gate wiring and the first source wiring and a liquid crystal element electrically connected to the first transistor, the first pixel to the third pixel are arranged between the first source wiring and the third source wiring, and the second source wiring, and the first source wiring intersects the third source wiring.Type: GrantFiled: May 5, 2023Date of Patent: December 3, 2024Assignee: JAPAN DISPLAY INC.Inventors: Kentaro Kawai, Masataka Ikeda, Hirotaka Hayashi, Yuuji Oomori, Yoshihide Ohue
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Patent number: 12158675Abstract: A display device includes a backlight module and a display panel. The display panel is disposed on the backlight module and includes two substrates, a sensor, and a light-shielding element. The sensor is disposed between the two substrates. The light-shielding element at least partially surrounds the sensor. A height of the light-shielding element is greater than a height of the sensor.Type: GrantFiled: August 24, 2023Date of Patent: December 3, 2024Assignee: Innolux CorporationInventors: Hsiao Feng Liao, Shu-Fen Li, Chuan-Chi Chien, Po-Yang Chen, I-An Yao
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Patent number: 12158647Abstract: A pre-assembly functional element with electrically controllable optical properties, includes a multilayer film, which includes, in this order, a first protective film, a first carrier film, a first flat electrode, an active layer, a second flat electrode, a second carrier film, and a second protective film, wherein the first protective film and the second protective film are in each case independently selected from a PVB film, an EVA film, or a TPU film. The functional element also includes one or more sealing films that are attached to the multilayer film.Type: GrantFiled: December 12, 2019Date of Patent: December 3, 2024Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Huixing Zhang, Florian Manz
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Patent number: 12153297Abstract: The present application provides a display panel, a manufacturing method of the display panel, and a display device. The display panel comprises a first flexible substrate, a second flexible substrate, a first polarizing layer, and a second polarizing layer. The first polarizing layer comprises first liquid crystal molecules, and the second polarizing layer comprises second liquid crystal molecules. A first angle is formed between each of the first liquid crystal molecules and the first flexible substrate along a first direction, and a second angle is formed between each of the second liquid crystal molecules and the second flexible substrate along the first direction.Type: GrantFiled: July 13, 2021Date of Patent: November 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhenhui Chen
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Patent number: 12153310Abstract: A first recess part is defined on an organic layer disposed in a non-display area, and a frame sealant is filled in the first recess part. A depth of the first recess part is less than a thickness of the organic layer. Therefore, a relative contact area between the frame sealant and a first substrate is increased. As such, strength of adhesion between the frame sealant and the substrate is further increased, and a capability of panels to pass peeling tests is improved.Type: GrantFiled: September 30, 2021Date of Patent: November 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Jianlong Huang
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Patent number: 12140837Abstract: A liquid crystal light control device includes a first liquid crystal cell, a second liquid crystal cell overlapping the first liquid crystal cell, a third liquid crystal cell overlapping the second liquid crystal cell, and a fourth liquid crystal cell overlapping the third liquid crystal cell. Each of the first, second, third, and the fourth liquid crystal cells includes, a first substrate including a first alignment film, a second substrate including an electrode having a strip pattern and a second alignment film, and a liquid crystal layer between the first substrate and the second substrate. An alignment direction of the first alignment film and an alignment direction of the second alignment film are aligned to intersect each other. A longitudinal direction of the strip pattern of the electrode having the strip pattern is arranged to intersect an alignment direction of the second alignment film.Type: GrantFiled: September 15, 2023Date of Patent: November 12, 2024Assignee: Japan Display Inc.Inventors: Kojiro Ikeda, Takeo Koito, Tae Kurokawa
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Patent number: 12135488Abstract: A light modulating device is disclosed herein. In some embodiments, a light modulating device includes a first substrate, a second substrate, and a liquid crystal layer, wherein the liquid crystal layer is disposed between the first and second substrates, and wherein the light modulating device satisfies Equation 1: T2?3×T1, wherein, T1 is an initial transmittance measured after vertically orienting the liquid crystal layer and placing it between orthogonal polarizers, and T2 is a transmittance measured after heating the liquid crystal layer showing the transmittance of T1 at 100° C. for 5 minutes, and then placing it between the orthogonal polarizers. The light modulating device can stably maintain designed optical properties even after an encapsulation process. The light modulating device can also stably maintain the orientation state of a light modulation layer while effectively securing adhesive force between upper and lower substrates.Type: GrantFiled: July 29, 2021Date of Patent: November 5, 2024Assignee: LG Chem, Ltd.Inventors: Min Jun Gim, Dong Hyun Oh, Jung Sun You, Jin Hong Kim, Jung Woon Kim
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Patent number: 12135478Abstract: Provided is a liquid crystal panel sequentially including: a first polarizing plate with a first absorption axis; a first substrate including a first electrode; a liquid crystal layer containing liquid crystal molecules; and a second substrate including a second electrode. The liquid crystal panel satisfies the following Formula (1) as well as the following Formula (2-1) or Formula (2-2): 5°?|?1??2|?20°??(Formula 1) 5°?|?P1??2|?20°??(Formula 2-1) 65°?|?P1??2|?80°??(Formula 2-2) wherein ?1 represents an azimuthal angle of a director of liquid crystal molecules near the first substrate, ?2 represents an azimuthal angle of a director of liquid crystal molecules near the second substrate, and ?P1 represents an azimuthal angle of the first absorption axis of the first polarizing plate, each with no voltage applied.Type: GrantFiled: January 30, 2023Date of Patent: November 5, 2024Assignee: Sharp Display Technology CorporationInventors: Koji Murata, Hiroshi Tsuchiya, Takashi Satoh, Shinji Shimada
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Patent number: 12135483Abstract: A display panel and a display apparatus are provided. The display panel includes an array substrate; a color film substrate; support pillars; pixel sub-units; and data lines. The support pillars include a primary support pillar that includes a first support pillar. The pixel sub-units are formed by crossing the scan lines and the data lines. The pixel sub-units each include a thin film transistor and a pixel electrode. The thin film transistor includes a gate, a source and a drain. The scan line is electrically connected to the gate. The data line is electrically connected to the source. The pixel electrode is electrically connected to the drain. The present disclosure can enhance supporting capacity of the display panel.Type: GrantFiled: June 7, 2023Date of Patent: November 5, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Jie Lin, Bingping Liu
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Patent number: 12130528Abstract: The present application relates to a display panel and a display device. The display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein the first substrate comprises a wiring area and a border glue in a border area, the wiring area comprises a common electrode wire, a gate driving circuit and a clock signal line which are sequentially arranged, conductive particles are arranged in the border glue, the second substrate comprises a common electrode layer, the border glue at least partially overlaps the wiring area, and the common electrode layer is at least partially hollowed out in the border area corresponding to the clock signal line.Type: GrantFiled: July 6, 2023Date of Patent: October 29, 2024Assignee: HKC CORPORATION LIMITEDInventors: Yuanjie Yang, Rongrong Li
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Display device, apparatus for manufacturing the same, and method of manufacturing the display device
Patent number: 12111527Abstract: A manufacturing method of a display device includes providing a display module including a display panel, a first flexible circuit board disposed at a first side edge of the display panel, a window disposed on the display panel, and an optical film disposed between the display panel and the window on the stage; aligning the display module such that the first side edge is disposed under the bonding unit; moving the position detection sensor along the first side edge of the display module to sense a first coating path; moving the resin supply unit along the sensed first coating path to coat a first filling agent between the window and the display panel; and moving the light irradiation unit along the sensed first coating path to cure the coated first filling agent to form a first filling layer.Type: GrantFiled: September 17, 2021Date of Patent: October 8, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeon Deuk Hwang, Yunjeong Cho, Kyunghoon Chae, Simhee Ryu, Je Yoon Yoo, Sung Soo Lee -
Patent number: 12111534Abstract: According to one embodiment, a display device includes a first substrate including a plurality of switching elements, a plurality of signal lines connected to the plurality of switching elements, respectively, a plurality of color filters each provided between each adjacent pair of the plurality of signal lines, and a plurality of metal layers opposing the plurality of signal lines, respectively, a second substrate including a lens array including a plurality of lenses, and an insulating layer that covers the lens arrays, and a liquid crystal layer provided between the first substrate and the second substrate, wherein the plurality of lenses have a refractive index higher than that of the insulating layer.Type: GrantFiled: June 5, 2023Date of Patent: October 8, 2024Assignee: JAPAN DISPLAY INC.Inventor: Yuji Maede
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Patent number: 12111528Abstract: A tiling display device comprises a plurality of display devices, and a main circuit board driving the plurality of display devices. Each of the plurality of display devices includes a display panel that displays an image, a plurality of flexible films bonded to a rear surface of the display panel, and a printed circuit board electrically connected to the plurality of flexible films. A plurality of printed circuit boards of the plurality of display devices are cascaded to each other and the plurality of printed circuit boards have a same shape. Therefore, the efficiency of a manufacturing process of the plurality of printed circuit boards provided in a tiling display device can be improved.Type: GrantFiled: July 15, 2021Date of Patent: October 8, 2024Assignee: LG Display Co., Ltd.Inventors: JungJae Kim, SoonDong Cho, JaeWon Han, MinGyu Park
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Patent number: 12110439Abstract: A laminate including a vertically oriented liquid crystal cured film and a horizontally oriented phase difference film is provided. The vertically oriented liquid crystal cured film is a cured product of a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound and a dichroic coloring matter. The composition includes, as the dichroic coloring matter, at least one type of dichroic coloring matter having maximum absorption between a wavelength of 400 nm and a wavelength of 750 nm. The vertically oriented liquid crystal cured film is a cured product of the polymerizable liquid crystal composition that is cured in a state in which the polymerizable liquid crystal compound is oriented in a vertical direction with respect to a flat plane of the liquid crystal cured film, and satisfies the following formula (1) and the following formula (2): 0.001?AxC?0.3??(1); AxC(z=60)/AxC>2??(2).Type: GrantFiled: November 1, 2019Date of Patent: October 8, 2024Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Tatsuaki Kasai, Nobuyuki Hatanaka
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Patent number: 12099282Abstract: A tunable optical lens having an adjustable focal length includes an electro-active material layer, and a control electrode having a plurality of electrode components, wherein the control electrode includes at least two electrode patterns each of which is configured to generate one or more different diffraction zones, and the at least two electrode patterns are configured to generate different phase profiles from each other with respect to light transmitted through the at least two electrode patterns, when a voltage is applied to the control electrode.Type: GrantFiled: August 6, 2021Date of Patent: September 24, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dmitriy Evgenyevich Piskunov, Svetlana Vladimirovna Danilova, Nikolay Victorovich Muravev
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Patent number: 12092919Abstract: A liquid crystal lens liquid crystal lens includes: a first substrate and a second substrate; a liquid crystal layer including a plurality of liquid crystal lens units; a first electrode including a plurality of independent sub-electrodes, and there are sub-electrodes at adjacent positions of adjacent liquid crystal lens units; a second electrode being a planar electrode, the first electrode and the second electrode are configured to form an electric field to drive liquid crystal molecules of the liquid crystal layer to rotate, and adjust the curvature of the liquid crystal lens units; a first planar layer located on the side of the first electrode facing the liquid crystal layer, the first planar layer being configured to smooth an intensity variation curve of the electric field of the liquid crystal lens units; and a light-shielding layer located between the first substrate and the second substrate.Type: GrantFiled: December 23, 2020Date of Patent: September 17, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Zhongxiao Li, Wenqing Zhao, Kuanjun Peng, Jing Yu
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Patent number: 12092906Abstract: Electrically-switchable flexible ophthalmic lenses for conforming to the eye of a user are provided. The lenses comprise: a liquid crystal cell for changing an optical characteristic of the ophthalmic lens, and having a cell gap thickness between a first inner surface and a second inner surface with liquid crystal therebetween, the flexible liquid crystal cell having a chord radius, w, and comprising: a plurality of support members, each support member is arranged to maintain the cell gap thickness by providing support at one or more support locations within the cell, and the support members are arranged such that the support locations form two rings concentric with a centre of the liquid crystal cell, the first ring located a chord measurement of 0.26-0.34 w from the centre of the liquid crystal cell and the second ring located a chord measurement of 0.52-0.70 w from the centre of the liquid crystal cell.Type: GrantFiled: January 5, 2022Date of Patent: September 17, 2024Assignee: COOPERVISION INTERNATIONAL LIMITEDInventors: Robert Oag, Robin Frith, Mikhail Bashtanov
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Patent number: 12085816Abstract: The present application provides a display panel and a method for manufacturing the display panel. The display panel includes a driving circuit layer, a liquid crystal layer, and a frame glue layer. The driving circuit layer includes a driving unit sub-layer and a wire sub-layer; the wire sub-layer includes a plurality of metal wires disposed parallel to each other, a hollow section is disposed between any adjacent two metal wires, and in each of the hollow sections, a width of the hollow section near a boundary between the frame glue layer and the liquid crystal layer is greater than or equal to a width of any other hollow sections.Type: GrantFiled: June 8, 2020Date of Patent: September 10, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Bangyin Peng, Ilgon Kim, Bai Bai, Yanjun Song