Patents Issued in September 14, 2023
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Publication number: 20230292543Abstract: There is provided a display element, including: a display region including pixels arranged in a two-dimensional form, each of the pixels including a plurality of sub pixels. In each pixel, a height of a light reflecting portion with respect to a light emitting portion is adjusted for each sub pixel.Type: ApplicationFiled: February 1, 2023Publication date: September 14, 2023Inventors: Masaaki Sekine, Takashi Sakairi, Tomokazu Ohchi, Tomoyoshi Ichikawa
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Publication number: 20230292544Abstract: Provided is an inexpensive light-emitting device with high emission efficiency. Provided is a light-emitting device including an anode, a cathode, an EL layer positioned between the anode and the cathode; the EL layer includes a hole-transport region, a light-emitting layer, and an electron-transport region; the hole-transport region is positioned between the anode and the light-emitting layer; the electron-transport region is positioned between the cathode and the light-emitting layer; the hole-transport region contains any one of a sulfonic acid compound, a fluorine compound, and a metal oxide; the electron-transport region contains an organic compound having an electron-transport property; and an ordinary refractive index of the organic compound having an electron-transport property with respect to light with a wavelength greater than or equal to 455 nm and less than or equal to 465 nm is higher than or equal to 1.50 and lower than or equal to 1.75.Type: ApplicationFiled: July 13, 2021Publication date: September 14, 2023Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuta KAWANO, Airi UEDA, Takeyoshi WATABE, Nobuharu OHSAWA, Keito TOSU, Harue OSAKA, Satoshi SEO
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Publication number: 20230292545Abstract: Embodiments provide a light control member that includes a light control layer including quantum dots, a low refractive layer disposed on the light control layer, and a capping layer disposed between the light control layer and the low refractive layer. The capping layer includes a first silicon oxynitride containing an amount of nitrogen in a range of about 0.1 at % to about 18 at %, an amount of oxygen in a range of about 42 at % to about 70 at %, and an amount of silicon in a range of about 25 at % to about 45 at %. Accordingly, the light control member exhibits excellent reliability.Type: ApplicationFiled: January 23, 2023Publication date: September 14, 2023Applicant: Samsung Display Co., Ltd.Inventors: JEONGKI KIM, JANG-IL KIM, JONG-HOON KIM, KYOUNGHAE MIN, HYEJUN WOO, SEONGYEON LEE, SUJIN LEE, SI-WAN JEON, TAE HYUNG HWANG
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Publication number: 20230292546Abstract: A light-emitting element includes a first electrode, a second electrode, and a light-emitting layer between the first electrode and the second electrode. The light-emitting element includes a transmittance-increasing layer with increasing transmittance in an optical path of light emitted from the light-emitting layer.Type: ApplicationFiled: March 3, 2023Publication date: September 14, 2023Inventors: TETSUO TAKAHASHI, TAKAYUKI ITO, YOJIRO MATSUDA, YOSHIHISA KAWAMURA, YUTO NOZAKI, SATOSHI YOKOYAMA
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Publication number: 20230292547Abstract: A display device includes: a base layer; a pixel layer on the base layer, and including a light emitting element and a light receiving element; an encapsulation layer covering the pixel layer; a black matrix on the encapsulation layer, and having a first opening corresponding to the light receiving element, and a second opening corresponding to the light emitting element; a polarizing plate on the black matrix; a wavelength pattern on the polarizing plate to delay a phase of light, the wavelength pattern overlapping with the first opening in a thickness direction, and not overlapping with the second opening in the thickness direction; an adhesive layer on the polarizing plate and the wavelength pattern; and a window on the adhesive layer.Type: ApplicationFiled: December 7, 2022Publication date: September 14, 2023Inventors: Gee Bum KIM, Kwang Soo BAE, Bo Kwang SONG, Byung Han YOO, Dae Young LEE, Min Oh CHOI
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Publication number: 20230292548Abstract: A display device includes an electronic panel, a window, an optical sheet, and a stress control member. The electronic panel includes a first non-bending area having a first area overlapping the optical sheet and a second area overlapping at least part of the recessed area, a bending area configured to be bent relative to the first non-bending area, and a second non-bending area extending from the bending area and movable to a position opposing the first non-bending area. The optical sheet is disposed between the electronic panel and the window and having a recessed area defined therein extending toward a center of the optical sheet. The stress control member overlaps with at least a portion of the second area, at least a portion of the bending area, and at least a portion of the second non-bending area, respectively.Type: ApplicationFiled: May 17, 2023Publication date: September 14, 2023Inventors: Hyunji CHA, WONKYU KWAK, Young-Soo Yoon, Jae Yong Lee, Yun-Kyeong IN, MINHEE CHOI
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Publication number: 20230292549Abstract: A manufacturing method of a display panel includes forming pixels in a display area of a substrate, and forming a metal wiring and a dam portion in a non-display area of the substrate, forming an encapsulation layer using an inorganic insulating material and an organic insulating material to cover the display area of the substrate and inspecting presence or absence of a remaining layer including the organic insulating material, which is formed in a remaining area of the encapsulation layer except for the display area, using a filter having a predetermined wavelength range.Type: ApplicationFiled: March 2, 2023Publication date: September 14, 2023Inventors: Seung Woo SEO, Yoon Kyoung PARK, Seung Jae LEE, Jin Ho KWACK, Young Seo CHOI
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Publication number: 20230292550Abstract: A display device includes: a substrate; a thin-film transistor disposed on the substrate and including a semiconductor layer; an interlayer insulating layer disposed on the thin-film transistor; a data conductive layer disposed on the interlayer insulating layer and including an auxiliary electrode and a transistor electrode connected to the semiconductor layer of the thin-film transistor, a via layer disposed on the data conductive layer; a pixel electrode layer disposed on the via layer and including: a pixel electrode and a dummy pixel electrode separated from the pixel electrode; an intermediate layer disposed on the pixel electrode layer; and a common electrode disposed on the intermediate layer. The auxiliary electrode includes a main conductive layer and an upper sub-conductive layer. Side surfaces of the main conductive layer of the auxiliary electrode are disposed inner than side surfaces of the upper sub-conductive layer of the auxiliary electrode.Type: ApplicationFiled: October 28, 2022Publication date: September 14, 2023Applicant: Samsung Display Co., LTD.Inventors: Hyoung Sik KIM, Jong Hee PARK, Hong Sick PARK, Woo Jin CHO
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Publication number: 20230292551Abstract: A display device includes a light-emitting element; a first transistor and a second transistor connected in series between the light-emitting element and a driving power line; a third transistor electrically connected to a gate electrode of the first transistor; and a fourth transistor connected in parallel between a drain electrode of the first transistor and the light-emitting element, wherein a ratio of a channel width W1 to a channel length L1 of the first transistor (a W1/L1 ratio) and a ratio of a channel width W2 to a channel length L2 of the second transistor (a W2/L2 ratio) are larger than a ratio of a channel width W3 to a channel length L3 of the third transistor (a W3/L3 ratio) and a ratio of a channel width W4 to a channel length L4 of the fourth transistor (a W4/L4 ratio).Type: ApplicationFiled: March 1, 2023Publication date: September 14, 2023Applicant: Japan Display Inc.Inventors: Masashi TSUBUKU, Takeshi SAKAI, Kentaro MIURA, Hajime WATAKABE, Takaya TAMARU, Hiroshi TABATAKE, Yutaka UMEDA
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Publication number: 20230292552Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels and a light emitting control signal line. The sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a second electrode, the pixel circuit includes a driving transistor and a first light emitting control transistor, and the pixel circuit further includes a connection structure. In the second color sub-pixel, a first electrode of the first light emitting control transistor is electrically connected with the connection structure through a first connection hole, and the connection structure is electrically connected with the second electrode through a second connection hole, the first connection hole and the second connection hole are located on both sides of the light emitting control signal line. In the third color sub-pixel, the second electrode does not overlap with a channel of the driving transistor.Type: ApplicationFiled: April 3, 2023Publication date: September 14, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xin MOU, Yongfu DIAO
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Publication number: 20230292553Abstract: An organic light-emitting display device includes a driving transistor configured to control current to an organic light-emitting diode from a power voltage line, a compensation transistor configured to diode-connect the driving transistor in response to a voltage applied to a compensation gate electrode of the driving transistor, and a gate insulating layer interposed between a driving active region of the driving transistor and the driving gate electrode, and between a compensation active region of the compensation transistor and the compensation gate electrode. A dielectric constant in a first portion of the gate insulating layer between the driving active region and the driving gate electrode is greater than a dielectric constant in a second portion of the gate insulating layer between the compensation active region and the compensation gate electrode.Type: ApplicationFiled: May 22, 2023Publication date: September 14, 2023Inventors: SANGJIN PARK, YOUNGDAE KIM, JEONGSEON KIM, SANGJIN LEE, AHYEON LEE
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Publication number: 20230292554Abstract: A method of manufacturing a display panel includes forming a pixel defining layer defining an opening exposing an upper surface of a pixel electrode on a substrate on which the pixel electrode is formed, providing an auxiliary solvent into the opening, performing a liquid-repellent treatment on an upper surface of the pixel defining layer, removing the auxiliary solvent from the opening and providing an organic composition including an organic solvent into the opening.Type: ApplicationFiled: November 10, 2022Publication date: September 14, 2023Inventor: JAEKWON HWANG
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Publication number: 20230292555Abstract: According to one embodiment, a display device includes a substrate, a lower electrode, a rib, a partition including a lower portion and an upper portion, an organic layer provided on the lower electrode and including a light emitting layer, and an upper electrode provided on the organic layer and in contact with the lower portion of the partition. The organic layer includes a first end portion located on the rib, and a second end portion located on the rib on an opposite side of the first end portion. A thickness of the upper electrode immediately above the second end portion is greater than a thickness of the upper electrode immediately above the first end portion.Type: ApplicationFiled: February 14, 2023Publication date: September 14, 2023Applicant: Japan Display Inc.Inventor: Masaru TAKAYAMA
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Publication number: 20230292556Abstract: A display apparatus includes a light-emitting device with improved reliability while maintaining liquid-repellent properties of peripheral layers after plasma irradiation. The display apparatus includes: a substrate; a pixel electrode disposed on the substrate; a pixel defining layer disposed on the pixel electrode and having an opening that exposes a central portion of the pixel electrode; and a liquid-repellent layer disposed on the pixel defining layer and having an upper surface having a concavo-convex structure.Type: ApplicationFiled: May 16, 2023Publication date: September 14, 2023Inventors: Hyungguen Yoon, Hongyeon Lee, Sukhoon Kang, Heera Kim, Suji Park, Beomsoo Shin
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Publication number: 20230292557Abstract: A pixel having an organic light emitting diode (OLED) and method for fabricating the pixel is provided. A planarization dielectric layer is provided between a thin-film transistor (TFT) based backplane and OLED layers. A through via between the TFT backplane and the OLED layers forms a sidewall angle of less than 90 degrees to the TFT backplane. The via area and edges of an OLED bottom electrode pattern may be covered with a dielectric cap.Type: ApplicationFiled: April 21, 2023Publication date: September 14, 2023Inventors: Denis Striakhilev, Arokia Nathan, Yuri Vygranenko, Sheng Tao
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Publication number: 20230292558Abstract: A display device includes: a first conductive layer including a gate electrode on an active layer in a display area and a first pad electrode on the substrate in a pad area; a second conductive layer on the first conductive layer in the display area and connected to the active layer; a third conductive layer on the second conductive layer in the display area and including a first connection electrode; a fourth conductive layer on the third conductive layer in the display area and including a second connection electrode connected to the first connection electrode; a light emitting element on the fourth conductive layer in the display area and connected to the second connection electrode; and an upper touch layer including an upper touch electrode on the light emitting element in the display area and a second pad electrode electrically connected to the first pad electrode in the pad area.Type: ApplicationFiled: February 16, 2023Publication date: September 14, 2023Inventors: KIHO BANG, HEE-SANG PARK, EUNHYE KIM, INHYUCK YEO, EUNAE JUNG, WONSUK CHOI
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Publication number: 20230292559Abstract: A display apparatus includes a substrate including a display area including a first pixel area and a second pixel area which are adjacent to each other along a first direction, and a peripheral area outside the display area, a organic insulating layer disposed over the substrate, a connection metal layer disposed on the organic insulating layer, and a planarization layer covering the connection metal layer. The planarization layer includes a first inner surface defining a contact hole corresponding to the first pixel area and exposing at least a part of a connection metal layer to outside the planarization layer, the first inner surface being a forward-tapered inclined surface, and a second inner surface defining a 1-1st hole which is between the first pixel area and the second pixel area along the first direction and exposes a part of the organic insulating layer to outside the planarization layer, the second inner surface being a reverse-tapered inclined surface.Type: ApplicationFiled: March 6, 2023Publication date: September 14, 2023Inventors: Pilsoon Hong, Gwuihyun Park, Junho Sim, Jaehun Lee
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Publication number: 20230292560Abstract: A display device includes a display panel having a general area including first subpixels, and a sensor area including second subpixels and light-transmitting area. Each of the first subpixels and the second subpixels includes a first active layer disposed on a substrate and formed of a first material, a first gate layer disposed on the first active layer, a second gate layer disposed on the first gate layer, a second active layer disposed on the second gate layer and formed of a second material different from the first material, a third gate layer disposed on the second active layer, and a light-blocking layer disposed between the substrate and the first active layer and overlapping the second active layer in a thickness direction.Type: ApplicationFiled: November 2, 2022Publication date: September 14, 2023Inventors: JUN HYUN PARK, Hyeong Seok KIM, Young Wan SEO, Yu Jin LEE, Cheol Gon LEE
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Publication number: 20230292561Abstract: A display device includes a display region of an image, a terminal region provided with a plurality of terminals, and a bending region being a region between the display region and the terminal region and being bendable, the bending region includes a first resin layer, a plurality of relay wiring lines provided on the first resin layer and provided between the display region and the terminal region, and a second resin layer provided on the first resin layer and covering the plurality of relay wiring lines, and the first resin layer and the second resin layer in the bending region are provided with a plurality of slits having a depth from a surface of the second resin layer to the first resin layer at outer sides than the relay wiring lines provided at both ends among the plurality of relay wiring lines in a plan view.Type: ApplicationFiled: July 1, 2020Publication date: September 14, 2023Inventors: TOHRU OKABE, SHOJI OKAZAKI, SHINSUKE SAIDA, SHINJI ICHIKAWA
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Publication number: 20230292562Abstract: The present disclosure relates to a display device including a substrate, a transistor on the substrate, a first electrode connected to the transistor, a first passivation layer between the transistor and the first electrode, a wire on the first passivation layer, overlapping the first electrode, and defining an opening pattern, and a second passivation layer between the wire and the first electrode.Type: ApplicationFiled: November 1, 2022Publication date: September 14, 2023Inventor: Chun Gi YOU
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Publication number: 20230292563Abstract: In an array substrate for a display apparatus, the array substrate includes: a mother substrate; a base substrate on the mother substrate and comprising a display cell and a peripheral area surrounding the display cell, the display cell comprising a display area and a non-display area surrounding the display area; a ground pad at an edge of the base substrate and extending from an upper surface of the base substrate to an upper surface of the mother substrate; a ground wire in the peripheral area to surround the display cell and electrically connected to the ground pad and the display cell; a first organic layer covering an edge of the ground pad; and a second organic layer on the first organic layer and covering the ground pad.Type: ApplicationFiled: January 10, 2023Publication date: September 14, 2023Inventors: Jongseon Park, Wonkyu Kwak
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Publication number: 20230292564Abstract: A display panel includes a base layer including a first region, and a second region which is adjacent to the first region, a pixel disposed on the first region of the base layer, a line electrically connected to the pixel and extending from the first region to the second region, a pad electrically connected to the line, at which an electrical signal is input to the display panel from outside thereof and disposed under a top surface of the base layer, and a test circuit on the base layer, in the second region, the test circuit being spaced apart from the first region and further from the first region than the pad.Type: ApplicationFiled: February 3, 2023Publication date: September 14, 2023Inventors: DONGHYUN LEE, SI JOON SONG, SANGHYUCK YOON, JAEHAK LEE
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Publication number: 20230292565Abstract: A display assembly includes: a display body that is formed in a flexible sheet shape, and includes an active region and a non-active region; a plate that is disposed on a side of a rear surface of the display body, and supports the display body on a first surface; a control board that performs display control of the display body; and a wire that connects the display body and the control board. The display body has an extended portion that extends a part of the non-active region, and a folded portion that is provided in a middle of the extended portion and folded back so as to wrap around an end surface of the plate.Type: ApplicationFiled: February 16, 2023Publication date: September 14, 2023Applicant: Lenovo (Singapore) Pte. Ltd.Inventors: Takayuki Morino, Shigehiro Horiuchi, Takehito Yamauchi, Hiroaki Kinoshita
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Publication number: 20230292566Abstract: A display panel includes: a display area including a main display area, and a component area; a peripheral area; a plurality of main pixel circuits at the main display area; a plurality of main gate lines extending in a first direction, and connected to the main pixel circuits; a plurality of main data lines extending in a second direction, and connected to the main pixel circuits; a plurality of auxiliary display elements at the component area; a plurality of auxiliary pixel circuits at the periphery area, and connected to the auxiliary display elements; a plurality of auxiliary gate lines connected to the auxiliary pixel circuits, and to main gate lines that are adjacent to the component area in the first direction; and a plurality of auxiliary data lines connected to the auxiliary pixel circuits, and to main data lines that are adjacent to the component area in the second direction.Type: ApplicationFiled: May 22, 2023Publication date: September 14, 2023Inventors: Sunyoung JUNG, Gunhee KIM, Hyunho KIM, Donghwan SHIM, Taehoon YANG, Sanghee JANG, Chungsock CHOI
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Publication number: 20230292567Abstract: An organic light emitting diode display includes: a substrate including a display area and a non-display area adjacent to the display area; a pixel thin film transistor positioned in the display area of the substrate; a first data wire positioned on the pixel thin film transistor; a second data wire positioned on the first data wire; an organic light emitting element positioned on the second data wire and electrically connected to the pixel thin film transistor through the first data wire and the second data wire; a circuit unit positioned in the non-display area of the substrate and including a circuit thin film transistor electrically connected to the pixel thin film transistor; and a common power supply line overlapping at least part of the circuit unit, electrically connected to the organic light emitting element, and formed on a same layer as the second data wire.Type: ApplicationFiled: May 16, 2023Publication date: September 14, 2023Inventors: Kyong Tae Park, Sung Ho Cho, Seong Yeun Kang
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Publication number: 20230292568Abstract: Provided are a pixel structure, a fine metal mask, a display apparatus and a control method. The pixel structure includes: a plurality of first sub-pixel columns, where the first sub-pixel column includes a plurality of first sub-pixels arranged along a first direction, and two adjacent first sub-pixel columns are separated by a second sub-pixel column. The second sub-pixel column includes a plurality of second sub-pixel groups, the second sub-pixel group includes a second sub-pixel and a third sub-pixel, and along the first direction, the second sub-pixels and the third sub-pixels in the second sub-pixel column are arranged alternately, and the first sub-pixel is configured to form a pixel unit with two second sub-pixel groups for displaying.Type: ApplicationFiled: October 22, 2021Publication date: September 14, 2023Inventors: Yan HUANG, Jianpeng WU, Qian XU, Guomeng ZHANG, Tong NIU, Jianbo LI
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Publication number: 20230292569Abstract: A display device, includes: a plurality of unit areas, each of the plurality of unit areas including a first border having a hexagonal shape including: a first outer side; and a second outer side parallel to the first outer side, and having a length equal to a length of the first outer side; a pixel area in each of the plurality of unit areas, and including a second border having a hexagonal shape including: a first inner side adjacent to the first outer side; and a second inner side adjacent to the second outer side; and first to fourth sub-pixel areas in the pixel area. The second outer side of one unit area from among two unit areas adjacent to each other in a column direction from among the plurality of unit areas contacts the first outer side of another unit area from among the two unit areas.Type: ApplicationFiled: January 24, 2023Publication date: September 14, 2023Inventors: SANGSHIN LEE, SANGHOON KIM, JONGSUNG PARK, SEUNGJIN LEE
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Publication number: 20230292570Abstract: A display substrate includes pixel-defining layer and sub-pixels of N colors, wherein N?3. The pixel-defining layer defines a plurality of sub-pixel areas having the sub-pixels arranged in therein; the pixel-defining layer includes a first pixel-defining layer and a second pixel-defining layer; a height of the second pixel-defining layer is smaller than a height of the first pixel-defining layer; and the first pixel-defining layer is configured to separate adjacent sub-pixels of different colors; the second pixel-defining layer is configured to separate adjacent sub-pixels of the same color; and the sub-pixels of N colors include red sub-pixels, blue sub-pixels, and green sub-pixels; the display substrate includes at least one column of sub-pixels, and in the at least one column of sub-pixels, sub-pixels belonging to a same column have a same color; and in a column of sub-pixels of the same color, corresponding light-emitting layers of at least two adjacent sub-pixels are connected.Type: ApplicationFiled: May 12, 2023Publication date: September 14, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chuan PENG, Yan CUI, Yu ZHANG
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Publication number: 20230292571Abstract: An organic electroluminescent display device includes a light-emitting device substrate assembly including a light-emitting device substrate assembly including a drive circuit board and light-emitting devices positioned on the drive circuit board, a color filter including red colored pixels, green colored pixels, and blue colored pixels at positions corresponding to the light-emitting devices of the light-emitting device substrate assembly, and a light-shielding layer formed such that the light-shielding layer does not overlap the light-emitting devices and is straddling a boundary between the colored pixels. The drive circuit board includes a semiconductor substrate having a drive circuit formed therein, and each of the light-shielding layer and the color filter has a surface oriented toward the light-emitting devices such that the surface of the light-shielding layer is flush with the surface of the color filter or closer to the light-emitting devices than the surface of the color filter.Type: ApplicationFiled: May 18, 2023Publication date: September 14, 2023Applicant: TOPPAN Inc.Inventors: Atsushi YAMAUCHI, Hiroki NAGATOME
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Publication number: 20230292572Abstract: An electronic apparatus has a through module hole defined in an active area and includes a first sensing pattern and a second sensing pattern spaced apart from each other in one direction with the module hole disposed therebetween. A third sensing pattern and a fourth sensing pattern are spaced apart from each other in a direction crossing the one direction with the module hole disposed therebetween. A first connection line extends along a portion of the module hole and connects the first sensing pattern and the second sensing pattern to each other. A second connection line extends along a portion of the module hole and connects the third sensing pattern and the fourth sensing pattern to each other. The first connection line and the second connection line are disposed on the same layer and are spaced apart from each other.Type: ApplicationFiled: May 18, 2023Publication date: September 14, 2023Inventors: KYUNGSU LEE, Il-Joo Kim, Jong-Hwa Kim, Jeongyun Han
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Publication number: 20230292573Abstract: A light emitting display device includes a display panel including a display area and a photosensor area surrounded by the display area; and an infrared sensor positioned on a rear surface of the photosensor area, wherein the display area includes a pixel definition layer having an opening overlapping an anode; a cathode covering the pixel definition layer; an encapsulation layer positioned on the cathode; and a light blocking layer positioned on the encapsulation layer and having an opening overlapping the opening of the pixel definition layer, wherein the photosensor area overlaps an overlapping portion of the light blocking layer, the pixel definition layer has an additional opening corresponding to the photosensor area such that the pixel definition layer is not formed in the photosensor area, and the photosensor area further includes an additional spacer positioned within the additional opening of the pixel definition layer.Type: ApplicationFiled: October 26, 2022Publication date: September 14, 2023Applicant: Samsung Display Co., LTD.Inventors: Hyeon Bum LEE, Hye Kyung PARK
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Publication number: 20230292574Abstract: A display device includes a signal transmission region, a display region spaced apart from the signal transmission region, a peripheral region located between the signal transmission region and the display region, a base layer, a circuit layer disposed on the base layer, a light emitting element layer disposed on the circuit layer and that includes a light emitting element that overlaps the display region, an encapsulation substrate disposed on the light emitting element layer, a hole defined in the signal transmission region and that passes through at least a portion of each of the circuit layer and the light emitting element layer, and a groove pattern defined on one surface of the encapsulation substrate and that overlaps the peripheral region.Type: ApplicationFiled: January 20, 2023Publication date: September 14, 2023Inventors: Jae-Man Lee, Hoon Kim, Hwiseong Kim, Donghoo Kim, Sunyoung Kim, Hee-Won Yoon, Seungwon Lee
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Publication number: 20230292575Abstract: A display device includes: a base layer; a circuit layer on the base layer; and an element layer on the circuit layer and including a plurality of light emitting elements and a photo-sensing element, wherein the plurality of light emitting elements include: a first emission layer configured to emit a first color light; a second emission layer configured to emit a second color light different from the first color light; and a third emission layer configured to emit a third color light different from the first color light and the second color light, and the photo-sensing element includes a photoelectric conversion layer overlapping at least any one of a part of the first emission layer, a part of the second emission layer, or a part of the third emission layer.Type: ApplicationFiled: March 6, 2023Publication date: September 14, 2023Inventors: HYEONSIK KIM, YONG-HAN PARK, SANGWOO KIM, DAE-YOUNG LEE
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Publication number: 20230292576Abstract: Embodiments provide a window that includes a base layer, a first layer disposed on the base layer, a second layer disposed on the first layer, and a third layer disposed on the second layer. The second layer includes silica (SiO2), fused silica, fluorine-doped fused silica, magnesium fluoride (MgF2), calcium fluoride (CaF2), aluminum fluoride (AlF3), yttrium fluoride (YF3), ytterbium fluoride (YbF3), aluminum oxide (Al2O3), magnesium oxide (MgO), or any combination thereof; and the second layer has a refractive index in a range of about 1.3 to about 1.6 at a wavelength of about 550 nm.Type: ApplicationFiled: March 13, 2023Publication date: September 14, 2023Applicant: Samsung Display Co., Ltd.Inventor: JONGHWAN CHO
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Publication number: 20230292577Abstract: The present application relates to the technical field of display. Disclosed are a display substrate and a preparation method therefor, and a display panel, which aim at improving the bending resistance of a flexible display panel, and increasing the yield of a flexible display product. The display substrate comprises: a base substrate provided with a display area and a non-display area surrounding the display area; a gate layer located on the base substrate; an interlayer insulation layer, which is located on the side of the gate layer that faces away from the base substrate and comprises a first organic insulation layer and a first inorganic insulation layer, wherein the first organic insulation layer covers the display area and part of the non-display area; a source and drain layer located on the side of the interlayer insulation layer that faces away from the base substrate.Type: ApplicationFiled: May 18, 2023Publication date: September 14, 2023Inventors: Qiuhua MENG, Xueyan TIAN, Yueping ZUO
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Publication number: 20230292578Abstract: The present disclosure provides a display device including a display panel and a lens layer. The display panel has a normal region and a camera region, in which the normal region includes a plurality of first light emitting units, and the camera region includes a plurality of second light emitting units. The lens layer is disposed on the normal region and the camera region, and the lens layer includes a plurality of first lenses overlapped with the first light emitting units and a plurality of second lenses overlapped with the second light emitting units. A density of the first lenses in the normal region is greater than a density of the second lenses in the camera region.Type: ApplicationFiled: February 7, 2023Publication date: September 14, 2023Applicant: InnoLux CorporationInventors: Chandra LIUS, Kuan-Feng LEE
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Publication number: 20230292579Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, and a display apparatus. The display substrate has a fingerprint identification region. The display substrate includes a base substrate; a display unit on the base substrate and including a display thin film transistor and a light-emitting device, a second electrode of the display thin film transistor being coupled to a first electrode of the light-emitting device; and a fingerprint identification unit at a gap between adjacent display units in the fingerprint identification region and including a fingerprint identification transistor and a photosensitive device, a first electrode of the fingerprint identification transistor being coupled to a second electrode of the photosensitive device. The display substrate further includes a gate insulating layer on a side of an active layer of the display thin film transistor and an active layer of the fingerprint identification transistor distal to the base substrate.Type: ApplicationFiled: May 17, 2023Publication date: September 14, 2023Inventors: Huaisen REN, Ke YANG, Tao GAO, Zubin LV, Peng HOU, Yanqiang WANG, Yongzhan HAN
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Publication number: 20230292580Abstract: A bonding device includes: a stage and a pressing part, which is placed on the stage and is movable toward the stage. A first layer, which is disposed on an upper surface of the stage, includes a first flat portion and first bending portions. A second layer, which is disposed below a lower surface of the pressing part, includes a second flat portion and second bending portions. The first and second bending portions may be disposed between the stage and the pressing part, in a state bent with curvatures, respectively. The curvature of a lower surface of each of the second bending portions is smaller than the curvature of an upper surface of each of the first bending portions.Type: ApplicationFiled: November 28, 2022Publication date: September 14, 2023Inventor: TAEHYEOG JUNG
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Publication number: 20230292581Abstract: A method of manufacturing a display apparatus which displays high-quality images includes disposing a case on a lamination mold, disposing a display panel such that a first surface of the display panel faces a first surface of the case, and attaching the display panel on the case with a first adhesive layer between the first surface of the case and the first surface of the display panel, and pressing the display panel by a cap including an indented portion in a surface of the cap.Type: ApplicationFiled: March 9, 2023Publication date: September 14, 2023Inventors: Sukwon JUNG, Sangwon LEE, Kyuho JUNG
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Publication number: 20230292582Abstract: The present invention relates to a liquid metal based fabrication method, and the method for fabricating an electrode based on a liquid metal, according to the present invention, comprises the steps of: preparing a first substrate having a self-assembled monolayer (SAM) on one surface thereof; and printing a liquid metal in a predetermined pattern to be in contact with the surface of the self-assembled monolayer by using a printing device including a needle from which the liquid metal is discharged, and a controller for controlling the movement of the needle, thereby forming a liquid metal electrode.Type: ApplicationFiled: July 27, 2021Publication date: September 14, 2023Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Hyo Jae YOON, Seo Eun BYEON
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Publication number: 20230292583Abstract: A display panel includes a substrate including a central area, a corner area including an extension area extending in a direction away from the central area, and an intermediate area disposed between the central area and the corner area, a first groove defined in the corner area and having a closed curve shape, at least a portion of the first groove being defined along a circumference of the central area, and a second groove defined in the intermediate area along the circumference of the central area, and having a closed curve shape.Type: ApplicationFiled: February 2, 2023Publication date: September 14, 2023Inventors: Junhyeong PARK, Kyungmin KIM, Jiyeon SEO
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Publication number: 20230292584Abstract: A display device includes a first area, a second area, and a bending area; a first substrate that is disposed at least in the first area where a display layer is disposed, and is formed of a glass material; a second substrate that is disposed on the first substrate, is disposed at least in the bending area and the second area, and is bendable; an organic material layer that is disposed at least in the bending area and the second area; an encapsulation layer that is disposed on the display layer; and a signal line that extends from the display layer and is disposed in the bending area and the second area, wherein the first substrate is spaced apart from the second area.Type: ApplicationFiled: February 24, 2023Publication date: September 14, 2023Applicant: Samsung Display Co., LTD.Inventors: YOUNGHOON LEE, Young Seo CHOI, Young Ji KIM
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Publication number: 20230292585Abstract: A display apparatus includes a substrate including a first area, a second area, and a bending area between the first area and the second area, a plurality of pixels disposed in the first area, a protection film disposed under the substrate, a dummy film disposed under the protection film, and an opening in the protection film, wherein the opening overlaps the bending area.Type: ApplicationFiled: May 17, 2023Publication date: September 14, 2023Inventors: Soon-sung PARK, Seongsik Ahn
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Publication number: 20230292586Abstract: Provided is an OLED that includes: a first electrode; a second electrode; a first layer, and an emissive layer disposed between the first electrode and the second electrode, where the first layer is selected from the group consisting of a hole injecting layer, a hole transporting layer, an electron blocking layer, a hole blocking layer, an electron transporting layer, and an electron injecting layer; and the first layer includes a first compound that includes a first element selected from the group that only includes D, F, CN, Si, Ge, P, B, and Se.Type: ApplicationFiled: March 2, 2023Publication date: September 14, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Nicholas J. THOMPSON, Tyler FLEETHAM, Fadi M. JRADI, Chun LIN
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Publication number: 20230292589Abstract: A compound having a metal coordination complex structure, where the compound is capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The compound has a first ligand coordinated to a metal. The free-state of the first ligand has a first triplet energy T1 of EL at 77K, while the compound has a first triplet energy T1 of E at 77K, and the difference in energy (?E) between E and EL is ?250 meV. The compound has a triplet emission spectrum with a FWHM value of no more than 45 nm. Organic light emitting devices, consumer products, and formulations containing the compounds are also disclosed.Type: ApplicationFiled: May 18, 2023Publication date: September 14, 2023Applicant: Universal Display CorporationInventors: Jui-Yi TSAI, Eric A. Margulies, Zhiqiang Ji, Alexey Borisovich Dyatkin, Walter Yeager, Mingjuan Su
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Publication number: 20230292591Abstract: Provided are compounds capable of functioning as a host in an OLED at room temperature, where the compound includes: a chemical group A that includes a first element that is one of D, F, CN, Si, Ge, P, B, or Se; and a chemical group B that includes a second element that is one of D, F, CN, Si, Ge, P, B, or Se; where the first element is different from the second element.Type: ApplicationFiled: March 2, 2023Publication date: September 14, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Tyler FLEETHAM, Sean Michael RYNO, Alfiya SULEYMANOVA
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Publication number: 20230292592Abstract: Provided are compounds capable of functioning as an emitter in an organic light emitting device at room temperature, and their use in OLED related electronic devices.Type: ApplicationFiled: March 2, 2023Publication date: September 14, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Tyler FLEETHAM, Chun LIN, Alexey Borisovich DYATKIN, Jui-Yi TSAI, Pierre-Luc T. BOUDREAULT, Rasha HAMZE, Jerald FELDMAN
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Publication number: 20230292593Abstract: Provided is an organic light emitting device including a light emitting stack that includes: a first electrode; a second electrode; a first layer disposed between the first electrode and the second electrode. The first layer can be a hole injecting layer, a hole transporting layer, an electron blocking layer, an emissive layer, a hole blocking layer, an electron transporting layer, or an electron injecting layer. The first layer includes a first compound and a second compound mixed together. The first compound includes a first element (F1) that can be D, F, CN, Si, Ge, P, B, or Se. The second compound includes a first element (S1) that can be D, F, CN, Si, Ge, P, B, or Se. The first element of the first compound can be same or different from the first element (S1) of the second compound.Type: ApplicationFiled: March 2, 2023Publication date: September 14, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Nicholas J. THOMPSON, Chun LIN, Tyler FLEETHAM, Fadi M. JRADI
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Publication number: 20230292595Abstract: Hie present invention relates to an organic light emitting diode comprising an anode, a cathode, a first emission layer, a second emission layer, a first charge generation layer and a first electron transport layer stack; and to a display device or lighting device comprising the same.Type: ApplicationFiled: June 14, 2021Publication date: September 14, 2023Inventors: Ansgar Werner, Jérome Ganier, Domagoj Pavicic, Elena Galán García, Ulrich Denker
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Publication number: 20230292596Abstract: The present invention relates to compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices, containing said compounds.Type: ApplicationFiled: August 3, 2021Publication date: September 14, 2023Inventors: Amir Hossain PARHAM, Christian EHRENREICH, Jens ENGELHART