Patents Examined by Huyen L. Ngo
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Patent number: 10852587Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.Type: GrantFiled: August 29, 2017Date of Patent: December 1, 2020Inventors: Minki Nam, Kyoungwon Park, Baekhee Lee, Youngmin Kim, Haeil Park, Jaikyeong Kim, Heesuk Kim, Wanki Bae, Dohchang Lee, Byeongguk Jeong
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Patent number: 10845652Abstract: The application discloses a display panel and a display device. The display panel comprises a substrate comprising an active area and a non-display area surrounding the active area; an alignment film arranged in the active area; a sealant arranged in the non-display area; and at least one row of retaining wall arranged between the alignment film and the sealant, and the retaining wall comprises a plurality of sections of sub-retaining walls which are arranged at intervals to form protrusions and depressions.Type: GrantFiled: January 24, 2019Date of Patent: November 24, 2020Assignee: HKC Corporation LimitedInventor: Chuan Wu
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Patent number: 10838264Abstract: A liquid crystal display device is provided, which includes a thin film transistor including an oxide semiconductor layer, a first electrode layer, a second electrode layer having an opening, a light-transmitting chromatic-color resin layer between the thin film transistor and the second electrode layer, and a liquid crystal layer. One of the first electrode layer and the second electrode layer is a pixel electrode layer which is electrically connected to the thin film transistor, and the other of the first electrode layer and the second electrode layer is a common electrode layer. The light-transmitting chromatic-color resin layer is overlapped with the pixel electrode layer and the oxide semiconductor layer of the thin film transistor.Type: GrantFiled: October 4, 2018Date of Patent: November 17, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Tetsuji Ishitani, Daisuke Kubota
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Patent number: 10816848Abstract: A method for manufacturing a polarizing plate having excellent appearance properties and including a polarizer, an optical rotatory layer, and a brightness enhancement film, a polarizing plate, and a liquid crystal display device including the polarizing plate, are described. The method includes forming an optical rotatory layer, which has a film thickness of 1 to 10 ?m and rotates a polarization axis of linearly polarized light, on a temporary support to manufacture a temporary support with an optical rotatory layer; bonding the optical rotatory layer of the temporary support with an optical rotatory layer and polarizer through a curable adhesive layer, and curing the curable adhesive layer to form a first bonding layer having a storage elastic modulus of 2 to 1500 MPa; peeling off the temporary support from the laminate; and bonding the optical rotatory layer of the laminate and a brightness enhancement film through a second bonding layer.Type: GrantFiled: October 25, 2018Date of Patent: October 27, 2020Assignee: FUJIFILM CorporationInventors: Fumitake Mitobe, Jun Takeda, Yasukazu Kuwayama, Yuya Hamaguchi
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Patent number: 10809444Abstract: In one aspect, there is provided a display. The display may include a waveguide layer, a first active layer, a redirecting layer, and a lenset layer.Type: GrantFiled: July 5, 2018Date of Patent: October 20, 2020Assignee: The Regents of the University of CaliforniaInventors: Joseph Ford, William Mellette
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Patent number: 10809610Abstract: The disclosure provides a two-piece LCD (liquid crystal display) projector based on a semi-field sequence display manner, including first and second black and white transmission type LCD light valve modules, wherein the first LCD light valve module alternatively displays red and blue field images, which are alternatively illuminated by a red light source and a blue right source, of input video signals; the alternative lightening and extinguishing period of the red light source and the blue right source is synchronous with the alternative field of the red and blue field of this LCD light valve; the second LCD light valve module is used to display the green field image, which is constantly illuminated by the green light source, of the input video signal; the light passing through the first and second LCD light valve modules are converged by a light converging device.Type: GrantFiled: November 20, 2019Date of Patent: October 20, 2020Inventor: Hanwen Guo
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Patent number: 10788620Abstract: A light emitting device is installed in a display apparatus such as that used in a television set. The light emitting device includes a light source that emits light, a light guiding plate having a light receiving portion that receives light from the light source, and a substrate having a wiring pattern that is electrically connected to the light source. The substrate is bent and disposed so as to cover a space between the light source and the light receiving portion. The light guiding plate emits the received light toward, for example, a liquid crystal panel. The liquid crystal panel displays images by causing each of pixels to transmit or block light irradiated.Type: GrantFiled: February 7, 2019Date of Patent: September 29, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Yuki Okawa, Masashi Yokota
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Patent number: 10736245Abstract: Disclosed herein is an electronic display assembly having a thermally conductive housing and an image assembly. The image assembly is positioned within the thermally conductive housing and behind a transparent plate assembly. An inlet opening and outlet opening are formed by gaps located between opposing edges of the image assembly and the housing. A space between the image assembly and the plate assembly forms a channel. A thermally conductive plate extends from near the image assembly within each of the inlet opening and outlet opening to contact the housing. Heat from the image assembly is conductively transferred to the housing by the thermally conductive plates. A fan may be positioned to circulate cooling air through the channel via the inlet and outlet openings and apertures in the thermally conductive plates.Type: GrantFiled: September 17, 2018Date of Patent: August 4, 2020Assignee: Manufacturing Resources International, Inc.Inventors: William Dunn, Don Le, Ware Bedell
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Patent number: 10718944Abstract: A near-eye display device including a display panel, a liquid crystal layer, and a lens element is provided. The liquid crystal layer is disposed adjacent to the display panel and disposed between the display panel and the lens element. The display panel is configured to provide an image light beam to pass through the liquid crystal layer. At least a portion of the liquid crystal layer is configured to modulate the image light beam according to the phase modulation. Phase modulation occurs to at least a portion of the liquid crystal layer to modulate the image light beam, and the lens element is a micro lens array.Type: GrantFiled: November 24, 2017Date of Patent: July 21, 2020Assignee: Coretronic CorporationInventors: Fu-Ming Chuang, Yi-Pai Huang, Jui-Yi Wu, Chuan-Chung Chang
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Patent number: 10718980Abstract: The present invention relates to a liquid crystal window, a method of manufacturing the same, an optical element comprising the liquid crystal window, and a use thereof. The liquid crystal window of the present invention and its manufacturing method have excellent fixing property of a spacer and thus excellent cell gap maintaining characteristics, and can effectively prevent thermal damage of a base layer and be economical in manufacturing processes.Type: GrantFiled: December 13, 2016Date of Patent: July 21, 2020Assignee: LG Chem, Ltd.Inventors: Jung Woon Kim, Su Young Ryu, Byoung Kun Jeon, Moon Soo Park
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Patent number: 10677973Abstract: A polarizer protective sheet includes a base material layer and a light diffusing layer formed on a surface of the base material layer. A plurality of protrusions are formed on an opposite surface of the light diffusing layer from the base material layer, and the protrusions have a substantially arc-shaped section. The average radius of the protrusions is 10 ?m or more and 100 ?m or less, and the average height of the protrusions is 10 ?m or less.Type: GrantFiled: November 6, 2018Date of Patent: June 9, 2020Assignee: KEIWA INC.Inventor: Motohiko Okabe
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Patent number: 10670924Abstract: In an alignment regulating layer, a plurality of regulation regions is defined in plan view perpendicular to the surface of the alignment regulating layer, and the plurality of regulation regions includes at least one first regulation region, at least one second regulation region, and a third regulation region fitted between the first regulation region and the second regulation region. The alignment regulating direction in the first regulation region is a first regulating direction, and the alignment regulating direction in the second regulation region is a second regulating direction that is different from the first regulating direction. In the third regulation region, the alignment regulating direction continuously changes from the first regulating direction to the second regulating direction from a portion contacting the first regulation region toward a portion contacting the second regulation region.Type: GrantFiled: September 6, 2018Date of Patent: June 2, 2020Assignee: TOPPAN PRINTING CO., LTD.Inventor: Masami Inokuchi
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Patent number: 10670918Abstract: A liquid crystal display includes: a liquid crystal panel including a first substrate and a second substrate facing each other, and a liquid crystal layer provided between the first substrate and the second substrate; a local backlight unit configured to irradiate beams to a first region of the liquid crystal panel and including a plurality of light emitting blocks including a first light emitting block, each of the light emitting blocks emitting beams with controllable luminance; a global backlight unit configured to irradiate beams of uniform luminance to a second region of the liquid crystal panel; and a backlight driver configured to supply a driving signal to the local backlight unit and the global backlight unit.Type: GrantFiled: November 29, 2017Date of Patent: June 2, 2020Assignee: Samsung Display Co., Ltd.Inventors: Yun-Gun Lee, Min Wook Park
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Patent number: 10670930Abstract: A liquid crystal display preventing a light leakage is disclosed. The liquid crystal display includes gate lines and data lines disposed to cross over each other, a common line crossing over the data lines and disposed in parallel with the gate lines, a dummy data line crossing over the gate lines and disposed in parallel with the data lines, a dummy pixel electrode disposed in a dummy area formed by an outermost data line of the data lines, the dummy data line and first and second gate lines adjacent to each other among the gate lines; a pixel electrode disposed in a pixel area between first and second data lines adjacent to each other among the data lines and the first and second gate lines; and a common electrode disposed to overlap the pixel electrode and the dummy pixel electrode. The dummy pixel electrode is connected to the common line.Type: GrantFiled: November 26, 2017Date of Patent: June 2, 2020Assignee: LG Display Co., Ltd.Inventors: Seonghun Jeong, Hyuck Choi, Haye Kim, Minkyu Chun, Kangil Kim
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Patent number: 10656484Abstract: A display panel includes a gate line, a data line, a switching element, a pixel electrode, and a conductive member. The switching element includes a gate electrode, a source electrode, and a drain electrode. The gate electrode is electrically connected to the gate line. The source electrode is electrically connected to the data line. The pixel electrode is electrically connected to the drain electrode, includes a bar portion, and includes a branch. The branch is oblique relative to the bar portion in a plan view of the display panel. The conductive member includes an extending portion and a maker. The marker protrudes from the extending portion in the plan view of the display panel and overlaps the branch.Type: GrantFiled: August 29, 2017Date of Patent: May 19, 2020Assignee: Samsung Display Co., Ltd.Inventors: Yonghee Lee, Daesuk Kim, Kyungho Kim, Dong-Yoon Lee
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Patent number: 10656488Abstract: The disclosure provides an array substrate, a display panel and a display device, and the array substrate includes: an insulation substrate, gate lines arranged on the insulation substrate to extend in a first direction, and data lines arranged on the insulation substrate to extend in a second direction, and to be insulated from the gate lines, the gate lines intersect with the data lines to define a plurality of pixel areas, each pixel area has a larger length in the first direction than that in the second direction, where the array substrate further includes a plurality of common electrodes, and a projection of each of the plurality of common electrodes on the insulation substrate and a projection of each of the gate lines on the insulation substrate do not overlap with each other.Type: GrantFiled: November 24, 2017Date of Patent: May 19, 2020Assignee: BOE Technology Group Co., Ltd.Inventors: Liwei Liu, Yoon-Sung Um
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Patent number: 10656472Abstract: Disclosed relate to display technologies, a liquid crystal display panel and a display device. The liquid crystal display panel includes a color filter substrate and an array substrate to be connected by box aligning; positioners protruding toward the color filter substrate are arranged on a side of the array substrate facing the color filter substrate, at least one of the positioners is arranged between every two adjacent pixels; each positioner includes two stoppers distributed in an extension direction of data line in the array substrate; spacers protruding toward the array substrate are arranged on a side of the color filter substrate facing the array substrate; each spacer is arranged facing one of the positioners; an end of each spacer facing the array substrate contacts the positioner, and can slide relative to the positioner in the extension direction; each stopper contacts the spacer when the spacer slides relative to the positioner.Type: GrantFiled: November 24, 2017Date of Patent: May 19, 2020Assignee: BOE Technology Group Co., Ltd.Inventor: Xiangxiang Zou
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Patent number: 10656468Abstract: Disclosed is a display device with a capacitive touch panel including a laminate between a display panel and a cover layer, the laminate having a viewing-side polarizing plate; a first conductive layer, a dielectric layer and a second conductive layer constituting a capacitive touch sensor; and a substrate, in which the first conductive layer, dielectric layer, second conductive layer, and substrate are positioned closer to the cover layer than is the viewing-side polarizing plate, the first conductive layer is formed on one surface of the to substrate, the dielectric layer is formed on a surface of the first conductive layer opposite to the substrate side, the second conductive layer is formed on a surface of the dielectric layer opposite to the first conductive layer side, the substrate has an optical film with a phase difference of (2n?1)?/4, where n is a positive integer, the viewing-side polarizing plate has a polarizing film, and a slow axis of the optical film intersects a transmission axis of the polaType: GrantFiled: January 7, 2019Date of Patent: May 19, 2020Assignee: ZEON CORPORATIONInventors: Tetsuya Toyoshima, Shunsuke Yamanaka
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Patent number: 10634945Abstract: A liquid crystal display of an exemplary embodiment includes: first and second gate line disposed on a substrate and extending in a first direction; first and second data line disposed on the substrate; a first transistor connected to the first gate line and the first data line; a second transistor connected to the second gate line and the second data line; a first pixel electrode overlapping the first transistor and the first gate line; a second pixel electrode overlapping the second transistor and the second gate line; a reflective layer disposed between the first gate line and the first data line, the second data line and the first pixel electrode and extending in the first direction, the first pixel electrode is disposed at a next row of the second pixel electrode in the second direction, and the first transistor is connected to the second pixel electrode.Type: GrantFiled: August 16, 2017Date of Patent: April 28, 2020Assignee: Samsung Display Co., Ltd.Inventors: Seung Hyun Park, Jun Ho Song
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Patent number: 10620362Abstract: The present disclosure provides a display device and a method of manufacturing the same. In one embodiment, a display device includes: an optical waveguide; at least one transparent display module disposed on the optical waveguide, each transparent display module corresponding to one display pattern; an optical source disposed at a light incident side of the optical waveguide, a light emitted by the optical source being transmitted in the optical waveguide, passing through the at least one transparent display module, and exiting the display device; and a lightproof medium disposed on regions of the optical waveguide excepting regions where the transparent display module and the optical source are located.Type: GrantFiled: August 16, 2017Date of Patent: April 14, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Wenbo Li