Patents Examined by Tracie Y Green
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Patent number: 11624973Abstract: A light emitting device includes a substrate, a first semiconductor layer provided to the substrate, a laminated structure disposed at an opposite side to the substrate of the first semiconductor layer, and including a plurality of columnar parts, a first electrically-conductive layer as a surface layer at laminated structure side in the first semiconductor layer, and a second electrically-conductive layer opposed to the first electrically-conductive layer via the laminated structure, wherein the columnar part includes a light emitting layer configured to emit light, a second semiconductor layer which is disposed between the light emitting layer and the first electrically-conductive layer, and a third semiconductor layer disposed between the light emitting layer and the second electrically-conductive layer, concavo-convex shapes are formed on a surface of the first electrically-conductive layer, an insulating layer is disposed on the first electrically-conductive layer, and electrode layers are disposed so asType: GrantFiled: September 28, 2020Date of Patent: April 11, 2023Inventor: Takashi Miyata
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Patent number: 11626580Abstract: A manufacturing method of a display apparatus includes forming a display layer on a substrate; forming an opening by irradiating laser onto the display layer; and sealing the display layer formed on the substrate. The laser is irradiated according to a spiral movement path, and the opening is formed by irradiating the laser at least twice at the same location.Type: GrantFiled: September 29, 2020Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Seungwan Kim, Jinkuk Wee, Woojin Lee, Kyunguk Choi
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Patent number: 11621370Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on an driving current.Type: GrantFiled: May 24, 2021Date of Patent: April 4, 2023Assignee: Seoul Viosys Co., Ltd.Inventors: Yong Hyun Baek, Ji Hun Kang, Chae Hon Kim, Ji Hoon Park, So Ra Lee
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Patent number: 11621403Abstract: A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.Type: GrantFiled: October 26, 2020Date of Patent: April 4, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nayoun Won, Mi Hye Lim, Tae Gon Kim, Taekhoon Kim, Shang Hyeun Park, Shin Ae Jun
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Patent number: 11616101Abstract: A display device includes: a substrate; a color filter layer disposed below the substrate; a color control layer disposed below the color filter layer; and an optical auxiliary layer disposed between the substrate and the color filter layer and having a base portion and a plurality of recess portions, the plurality of recess portion defined in the base portion and recessed in a direction toward the substrate, wherein an average refractive index of the optical auxiliary layer is greater than or equal to an average refractive index of the substrate and is less than or equal to an average refractive index of the color filter layer.Type: GrantFiled: November 2, 2020Date of Patent: March 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Gak Seok Lee, Keunchan Oh, Byung-Chul Kim, Jang Wi Ryu, Inseok Song, Halim Ji
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Patent number: 11609368Abstract: A display device includes: a substrate including light-emitting areas and a light-blocking area including a spacer area; a color filter layer including color filters and a dummy color pattern, wherein the color filters are disposed in the light emitting areas, and the dummy color pattern is disposed in the spacer area; a light-transmitting layer disposed on the color filter layer and including a light-transmitting pattern and a light-transmitting dummy pattern, wherein the light-transmitting pattern is disposed on the color filters, and the light-transmitting dummy pattern is disposed on the dummy color pattern; and a bank layer disposed on the dummy color pattern, wherein the bank layer includes a spacer part disposed in the light-blocking area, and a bank part disposed in the light-blocking area, wherein the spacer part overlaps the spacer area, wherein the bank part has a smaller height than the spacer part with respect to the substrate.Type: GrantFiled: March 1, 2021Date of Patent: March 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: In Seok Song, Byung Chul Kim, Jang Wi Ryu, Gak Seok Lee, Ha Lim Ji
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Patent number: 11609453Abstract: A light source assembly, includes: a substrate; a first light-blocking pattern disposed on the substrate; a first light-emitting unit disposed on the first light-blocking pattern; and an encapsulation portion disposed on the substrate and enveloping the first light-blocking pattern and the first light-emitting unit; wherein an outer surface of the encapsulation portion is a curved surface. A display module and a method of manufacturing the light source module are further provided.Type: GrantFiled: June 30, 2021Date of Patent: March 21, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventor: Song Yang
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Patent number: 11610374Abstract: In order to provide an optical device for clearly implementing augmented reality provided from a display unit, regardless of a change in a focal point of an outer mirror through which a user views, the present invention comprises: the display unit for emitting an optical beam displaying an image; transparent glass through which external light passes and which forms the path of the optical beam emitted by the display unit; and a pinhole mirror disposed to the glass, and disposed on the path of the optical beam emitted by the display unit, so as to reflect the optical beam emitted by the display unit, wherein the pinhole mirror has a polygonal shape and has an area less than that of the pupil so that an image formed by the optical beam emitted by the display unit overlaps with an image formed by the external light having been transmitted through the glass.Type: GrantFiled: November 15, 2018Date of Patent: March 21, 2023Assignee: LG ELECTRONICS INC.Inventor: Sungchul Shin
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Patent number: 11600606Abstract: Provided are a LED display unit group and a display panel. The LED display unit group includes a circuit board and pixel units arranged in an array of m rows and n columns on the circuit board. The circuit board includes N metal line layers stacked in sequence and an insulating plate located between adjacent metal line layers. The N metal line layers are electrically connected through a conductive via on the insulating plate, where N?2. Each pixel unit includes at least two LED light-emitting chips with different light-emitting colors, where m?2, n?2. The first metal line layer includes m common A-electrode pads, multiple A-electrode pads and multiple B-electrode pads.Type: GrantFiled: March 31, 2021Date of Patent: March 7, 2023Assignee: FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD.Inventors: Junyong Wang, Qiang Zhao, Kuai Qin, Heng Guo, Feng Gu, Danwei Li, Bin Zhao, Hongwen Chen
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Patent number: 11597317Abstract: A vehicle includes: a seat; a sensor part provided on the seat and detecting whether a user is seated on the seat; a lighting part provided in the vehicle and including a plurality of light sources disposed at a preset interval; and a controller configured to determine a gaze direction of the user based on a result of the detection of the sensor part and to selectively control the plurality of light sources to distort the preset interval based on the determined gaze direction of the user.Type: GrantFiled: September 4, 2020Date of Patent: March 7, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seunghwan Lee, Hyun Song
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Patent number: 11596805Abstract: In one aspect, a luminaire is provided for illumination, in which the luminaire has a normalized spectral power distribution (SPD) curve for promoting human wellness, the normalized SPD curve having the following percentage areas for the following wavelength domains, the normalized SPD curve including spectral energy in a 620 nm to 640 nm region of the SPD curve ranging from 9.5% to 10.5% of a total of an area for a normalized SPD curve; spectral energy in a 640 nm to 660 nm region of the SPD curve ranging from 7.25% to 9.8% of the total of the area of the normalized SPD curve; spectral energy in a 660 nm to 680 nm region of the SPD curve ranging from 4.8% to 7.8% of the total of the area for the normalized SPD curve; spectral energy in a 680 nm to 700 nm region of the SPD curve ranging from 2.75% to 5.5% of the total of the area for the normalized SPD curve; and a remainder of spectral energy of the total normalized SPD curve is in a 400 nm to 620 nm region area of the SPD curve.Type: GrantFiled: September 16, 2022Date of Patent: March 7, 2023Assignee: LEDVANCE LLCInventor: Arunava Dutta
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Patent number: 11592146Abstract: A lighting apparatus includes a metal plate, an insulation layer, a light source, a driver circuit and a wireless circuit. The metal plate includes an antenna area and a base area. The antenna area and the base area are on a same plane. The insulation layer is placed on the metal plate. The insulation layer has a top side and a bottom side. The metal plate is disposed on the bottom side of the insulation layer. The light source includes a LED module. The light source is disposed on the top side of the insulation layer. The driver circuit is electrically connected to the light source via a first conductive path. The wireless circuit is electrically connected to the antenna area of the metal plate via a second conductive path.Type: GrantFiled: January 15, 2021Date of Patent: February 28, 2023Assignee: XIAMEN LEEDARSON LIGHTING CO., LTDInventors: Renhua Zou, Chihhsien Wu, Yuankai You, Shuifa Guo, Fanglei Zhao
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Patent number: 11587474Abstract: A flexible device array substrate includes: a substrate, a metal-containing layer, and an electronic component layer. The metal-containing layer is disposed on the substrate. The metal-containing layer includes: a first layer and a second layer. The first layer is located on a side close to the substrate, and the first layer contains a first metal oxide to form a peeling interface in the first layer. The second layer is located on a side away from the substrate, and the second layer contains a second metal oxide. The oxidation number of the metal in the second metal oxide is smaller than the oxidation number of the metal in the first metal oxide. The electronic component layer is disposed above the metal-containing layer. A method of manufacturing the flexible device array substrate is also provided.Type: GrantFiled: July 2, 2020Date of Patent: February 21, 2023Assignee: Au Optronics CorporationInventors: Tsung-Ying Ke, Chih-Tsung Lee, Ting Kang
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Patent number: 11586050Abstract: A display device having a horizontal viewing direction is provided in the present disclosure. The display device includes a display panel and a light controller. The display panel includes a plurality of first signal lines, respectively extending along a first direction parallel to the horizontal viewing direction. The light controller is disposed adjacent to the display panel, and the light controller includes a plurality of light blocking patterns, respectively extending along a second direction. The second direction has an angle with respect to the first direction, and an absolute value of the angle is greater than 0 degree and less than or equal to 45 degrees.Type: GrantFiled: May 23, 2022Date of Patent: February 21, 2023Assignee: InnoLux CorporationInventor: Jui-Jen Yueh
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Patent number: 11586071Abstract: A drive backboard includes: a first conductive layer including bonding pins and first connecting lines, an insulating layer including first via holes and second via holes, a second conductive layer including connecting electrodes and second connecting lines and a conductive protective layer including first protective structures and second protective structures. The first via hole exposes the bonding pin, one end of a first connecting line electrically connects a bonding pin, and the other end reaches the second via hole. One end of a second connecting line electrically connects a connecting electrode, and the other end electrically connects the first connecting line through the second via hole. The first protective structure covers the bonding pin, and the second protective structure covers the second connecting line formed at the position of the second via hole. The pattern of the conductive protective layer is complementary to the pattern of the insulating layer.Type: GrantFiled: March 30, 2021Date of Patent: February 21, 2023Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co. Ltd.Inventors: Min He, Xiaodong Xie, Jing Wang, Tianyu Zhang, Tengfei Zhong, Xue Zhao, Ting Zeng
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Patent number: 11589444Abstract: An apparatus for illuminating objects nay include: an imaging device configured to capture an image of an area and to generate a first signal representative of the captured image, wherein the imaging device is further configured to be activated to capture the image of the area under uniform illumination; a processing unit configured to receive the first signal; process the first signal to identify one or more shapes bounded by edges in an acquired image; and process the acquired image by filling each of the identified one or more shapes with a first color, and by filling parts of the acquired it age external to the edges with a second color, to generate a second signal representative of the processed image; and an image projection device configured to receive the second signal; generate a light beam representative of the processed image; and direct the light beam to the area.Type: GrantFiled: July 27, 2018Date of Patent: February 21, 2023Assignee: Politecnico di MilanoInventors: Francesco Murano, Manuela Celi
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Patent number: 11579486Abstract: The present disclosure provides a light emitting device including a substrate, a conductive layer, first and second reflective layers, a light emitting element, and an encapsulation layer. The conductive layer is disposed on the substrate. The first reflective layer covers the conductive layer and has an opening exposing a portion of the conductive layer. The light emitting element is disposed in the opening and electrically connects to the conductive layer. The second reflective layer is disposed on the first reflective layer and surrounds the light emitting element, and the second reflective layer has an outer diameter. The encapsulation layer covers the light emitting element. There is a height between a highest point of the encapsulation layer and an upper surface of the first reflective layer, and the height is 0.1 to 0.5 times the outer diameter. The present disclosure also provides a backlight and a display panel.Type: GrantFiled: November 14, 2021Date of Patent: February 14, 2023Assignee: Lextar Electronics CorporationInventors: Yun-Yi Tien, Yu-Chang Wu, Yu-Li Chang
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Patent number: 11573455Abstract: According to one embodiment, an illumination device includes a light source module, and a reflector opposed to the light source module. The reflector includes a plurality of incidence openings on which light from the light source module is made incident, a plurality of emission openings opposed to the incidence openings, a plurality of reflective surfaces extending from the incidence openings to the emission openings, respectively, and reflective films formed on the reflective surfaces. The reflector includes a plurality of blocks, and the blocks are bonded to each other to form the reflector.Type: GrantFiled: June 7, 2022Date of Patent: February 7, 2023Assignee: Japan Display Inc.Inventor: Masayuki Mifune
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Patent number: 11563145Abstract: A light source includes light emission units and a light shielding member. At least one of the light emission units includes a light emitting element, a wavelength conversion member, and a light transmissive member. The light transmissive member includes a first region positioned above the light emitting element and a second region positioned outward from the first region. The second region has a thickness smaller than a thickness of the first region. The wavelength conversion member is larger than the light emission face of the light emitting element in a top view. The light shielding member is continuously disposed between adjacent ones of the light emission units and covers a lateral face of the light emitting element and a lateral face of the wavelength conversion member. A lateral face of the light transmissive member in the light emission unit is at least partially exposed from the light shielding member.Type: GrantFiled: November 29, 2021Date of Patent: January 24, 2023Assignee: NICHIA CORPORATIONInventors: Shintaro Noma, Tsuyoshi Okahisa
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Patent number: 11561433Abstract: A liquid crystal display device (100) according to the present invention is provided with a liquid crystal display panel (10) and a backlight device (50) which emits light toward the back surface (10r) of the liquid crystal display panel. The backlight device comprises: an LED substrate (21) that has a front surface (21s) on which a plurality of LED chips (22) are arranged so as to emit excitation light toward the back surface of the liquid crystal display panel; a phosphor layer (25) which contains a phosphor (25q) that emits fluorescent light upon reception of the excitation light; a wavelength selective reflection layer (28) which is arranged between the phosphor layer and the LED substrate, and wherein the transmittance of the excitation light is higher than the transmittance of the fluorescent light; and an optical layer laminate (30) which is arranged on the liquid crystal display panel side of the phosphor layer.Type: GrantFiled: June 22, 2018Date of Patent: January 24, 2023Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Kenichi Iwamoto, Mayumi Hori, Kazuhiko Negoro