Patents Assigned to Samsung Display Co., Ltd.
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Publication number: 20230309402Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1, which is explained in the specification:Type: ApplicationFiled: January 12, 2023Publication date: September 28, 2023Applicant: Samsung Display Co., Ltd.Inventors: MUN-KI SIM, SERAN KIM, TAEIL KIM, JANG YEOL BAEK, MinJae SUNG, MINJUNG JUNG
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Publication number: 20230309225Abstract: Provided is an electronic component including a pad region including a plurality of pads extending along corresponding extension lines and arranged in a first direction, and a signal wire configured to receive a driving signal from the pad region, wherein the plurality of pads include a plurality of first pads arranged continuously and a plurality of second pads arranged continuously, and extension lines of the plurality of first pads substantially converge into a first point and extension lines of the plurality of second pads substantially converge into a second point different from the first point.Type: ApplicationFiled: May 31, 2023Publication date: September 28, 2023Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Han-Sung BAE, Wonkyu KWAK, Cheolgeun AN
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Publication number: 20230309348Abstract: A display device includes a transistor disposed on a substrate, an organic layer disposed on the transistor and defining grooves, a first pixel electrode disposed on the organic layer, electrically connected to the transistor, and including a pixel metal layer and a pixel protective layer, the pixel protective layer including at least one of an oxide and a halide and surrounding the pixel metal layer, and a dummy electrode disposed on the organic layer, spaced apart from the transistor, and including a dummy metal layer and a dummy protective layer, the dummy protective layer including at least one of an oxide and a halide and surrounding the dummy metal layer.Type: ApplicationFiled: December 7, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., LTD.Inventors: SUNGJOO KWON, JOONYONG PARK, SUBIN BAE, HYUNAH SUNG, HYUNEOK SHIN, DONGMIN LEE, JUHYUN LEE, YU-GWANG JEONG, SUNGWON CHO
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Publication number: 20230307461Abstract: A display device includes data lines arranged in a first direction, the data lines extending in a second direction; and sub-pixels arranged in the first direction, the sub-pixels being electrically connected to the data lines. A distance between the data lines is greater than a distance between the sub-pixels, and the sub-pixels include first sub-pixels emitting light of a first color and second sub-pixels emitting light of a second color. Two first sub-pixels adjacent to each other in the first direction among the first sub-pixels are electrically connected to one data line among the data lines.Type: ApplicationFiled: October 17, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., LTD.Inventors: Dong Hee SHIN, Gi Chang LEE, No Kyung PARK, Sun Kwun SON
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Publication number: 20230309401Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes: a first compound represented by Formula 1; and at least one of a second compound, a third compound 3, and a fourth compound, thereby showing improved emission efficiency and device life.Type: ApplicationFiled: December 28, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., Ltd.Inventors: TAEIL KIM, SUN YOUNG PAK, JUNHA PARK, JANG YEOL BAEK, Kyoung SUNWOO, MUN-KI SIM, CHANSEOK OH, MINJUNG JUNG
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Publication number: 20230307487Abstract: A display device includes a display area and a pad area on a side of the display area, a plurality of conductive layers on a first substrate in the display area and the pad area and comprising a wiring and a conductive pattern, a via layer on the plurality of conductive layers, a plurality of electrodes on the via layer in the display area and spaced apart from each other, and a light emitting element on at least one of the plurality of electrodes. At least one of the conductive layers includes a first metal layer, a second metal layer on the first metal layer, and a third metal layer on the second metal layer. The second metal layer includes copper (Cu), the third metal layer includes a copper alloy, and a grain size of the third metal layer is smaller than a grain size of the second metal layer.Type: ApplicationFiled: December 21, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., LTD.Inventors: Dong Min LEE, Hyun Ah SUNG, Tae Wook KANG, Young Rok KIM, Kyu Soon PARK, Joon Yong PARK, Hyun Eok SHIN, Jong Hyun CHOUNG
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Publication number: 20230307581Abstract: A display device includes, a substrate; first alignment electrodes disposed on the substrate; second alignment electrodes disposed on the substrate and spaced apart from the first alignment electrodes, respectively; light emitting elements disposed between the first alignment electrodes and the second alignment electrodes; first connection electrodes in contact with first end portions of the light emitting elements and overlapping the first alignment electrodes, respectively; and second connection electrodes in contact with second end portions of the light emitting elements, overlapping the second alignment electrodes, respectively, and spaced apart from the first connection electrodes, respectively. An edge portion of each of the first connection electrodes extends along an edge portion of each of the first alignment electrodes, and an edge portion of each of the second connection electrodes extends along an edge portion of each of the second alignment electrodes.Type: ApplicationFiled: October 6, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., LTD.Inventors: Ki Nyeng KANG, Guanghai JIN
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Publication number: 20230305598Abstract: A method for manufacturing a glass window. The glass window includes a folding area folded with respect to a folding axis and a non-folding area adjacent to the folding area. The method for manufacturing the glass window includes forming a pattern glass including a pattern part and a non-pattern part adjacent to the pattern part, the pattern part including first groove patterns in a first surface and corresponding to the folding area and a non-pattern part adjacent to the pattern part and corresponding to the non-folding area, and forming a filling layer on the pattern part. The forming of the filling layer includes initial filling of a filling resin into the groove patterns, and additional filling of the filling resin into the outermost groove patterns that are farthest from the folding axis among the groove patterns.Type: ApplicationFiled: January 24, 2023Publication date: September 28, 2023Applicant: Samsung Display Co., Ltd.Inventors: BYUNGHOON KANG, KYUNG-MAN KIM, SANGHOON KIM, SUNGHOON KIM, SEUNGHO KIM, YURI KIM, MIN-HOON CHOI, SEONGJIN HWANG
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Publication number: 20230307485Abstract: A display device includes a bank layer disposed on a substrate and defining a light-emitting area and a sub-area, a first electrode and a second electrode spaced apart from each other and extending from the light-emitting area to the sub-area, a plurality of light-emitting elements disposed on the first electrode and the second electrode in the light-emitting area, a plurality of dummy light-emitting elements disposed on the first electrode and the second electrode in the sub-area, a first connection electrode in electrical contact with an end of each of the plurality of light-emitting elements, and a second connection electrode in electrical contact with another end of each of the plurality of light-emitting elements. The sub-area includes an isolation area in which each of the first electrode and the second electrode is disconnected, and the plurality of dummy light-emitting elements are not disposed in the isolation area.Type: ApplicationFiled: October 31, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., LTD.Inventor: Geun Tak KIM
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Publication number: 20230307462Abstract: A display device includes a substrate, a first metal layer on the substrate, a first barrier insulating layer on the first metal layer, an etching control layer on the first barrier insulating layer, a first contact hole passing through the substrate, the first barrier insulating layer, and the etching control layer, a second barrier insulating layer on the etching control layer and including a second contact hole, a fan-out line on the second barrier insulating layer and included in a second metal layer, a pad part inserted into the second contact hole and included in the second metal layer, the pad part integral with the fan-out line, a display layer on the fan-out line, and a flexible film under the substrate and inserted into the first contact hole to be electrically connected to the pad part. The first metal layer includes an etching mark adjacent to the first contact hole.Type: ApplicationFiled: November 9, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., LTD.Inventors: Yong Hoon KWON, Mi Sun KIM, Dong Sung LEE, Se Hun CHOI
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Publication number: 20230307280Abstract: An apparatus for manufacturing a display device includes a panel cell disposed on a stage and comprising a first alignment line and a second alignment line extending in at least one direction, an electric field applying part that supplies a first alignment signal and a second alignment signal to the panel cell, and a light emitting element aligned between the first and second alignment lines. The electric field applying part supplies the first and second alignment signals having a potential difference to the first and second alignment lines, respectively, during a first period, and supplies the first and second alignment signals having a same potential to the first and second alignment lines, respectively, during a second period after the first period.Type: ApplicationFiled: November 15, 2022Publication date: September 28, 2023Applicant: Samsung Display Co., LTD.Inventor: Joo Nyung JANG
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Publication number: 20230307577Abstract: A display device and a manufacturing method thereof are provided. A display device according to an embodiment includes a substrate including a first emission area, and a first light emitting element disposed on the substrate and emitting light of a first color. The substrate further includes a first hole passing through the substrate in the first emission area, and at least a portion of the first light emitting element is arranged in the first hole.Type: ApplicationFiled: October 19, 2020Publication date: September 28, 2023Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Sup LEE, SUNG-CHAN JO
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Publication number: 20230301170Abstract: Embodiments provide an organometallic compound, a light-emitting device including the organometallic compound, and an electronic apparatus including the light-emitting device.Type: ApplicationFiled: February 9, 2023Publication date: September 21, 2023Applicant: Samsung Display Co., Ltd.Inventors: Junghoon Han, Soobyung Ko, Sungbum Kim, Eunsoo Ahn, Jaesung Lee, Hyunjung Lee
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Publication number: 20230299120Abstract: A display device may include a substrate including pixel areas each having first and second areas, and pixels disposed in the pixel areas. The pixels may include a pixel circuit part which is disposed in the first area and including a bottom metal layer disposed on the substrate and at least one transistor disposed on the bottom metal layer. A display element part may be disposed at the second area and include a first electrode and a second electrode that are spaced apart from each other, and light emitting diodes disposed between the first and second electrodes to emit light. The first and second electrodes and the bottom metal layer may be disposed on a same layer.Type: ApplicationFiled: June 17, 2021Publication date: September 21, 2023Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: Duk Sung KIM
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Publication number: 20230298494Abstract: A display device includes a display panel including pixels, a data driver receiving sensing data corresponding to a driving current value of a driving transistor of each of the pixels, and a driving controller calculating a change amount of the sensing data, determining bad pixels based on the change amount of the sensing data, and performing a panel protection operation based on a number of the bad pixels.Type: ApplicationFiled: October 31, 2022Publication date: September 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Jongbin Kim, JUNGKI MIN, BOYOUNG AN
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Publication number: 20230295503Abstract: Embodiments provide an etchant composition that includes about 5.0 to about 20.0 wt % of a persulfate, about 0.01 to about 15.0 wt % of a sulfonic acid, about 0.01 to about 2.0 wt % of a fluorine compound, about 0.01 to about 5.0 wt % of a 4-nitrogen cyclic compound, about 0.01 to about 1.0 wt % of an amino acid including a hydrophobic group having at least two carbon atoms, and water A weight ratio of the amino acid to the 4-nitrogen cyclic compound is in a range of about 1:16 to about 1:60.Type: ApplicationFiled: March 16, 2023Publication date: September 21, 2023Applicant: Samsung Display Co., LTD.Inventors: YOUNGROK KIM, KYU-SOON PARK, Jong-Hyun CHOUNG, Woo Jin CHO, Gyu Po KIM, SUNG MIN KIM, Jae Myeong KIM, Hyun Cheol SHIN, JUN DONG KIM, JUN YOUNG HAWNG
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Publication number: 20230298536Abstract: A display device includes a substrate, a pixel emitting light, a light blocking layer blocking light, a first pixel row comprising a first pixel group and a second pixel group in a first direction in a plan view, and a second pixel row in a second direction that intersects the first direction and comprising a third pixel group and a fourth pixel group in the first direction. The first pixel group includes a first sub-pixel, a second sub-pixel in a third direction from the first sub-pixel, the third direction intersecting the first direction, and a third sub-pixel in the first direction from the first sub-pixel. The third pixel group may include a sixth sub-pixel, a seventh sub-pixel in the third direction from the sixth sub-pixel, and an eighth sub-pixel in the first direction from the sixth sub-pixel. The third pixel group may be surrounded by the light blocking layer.Type: ApplicationFiled: November 7, 2022Publication date: September 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Chang Wook KIM, Chi Wook AN, Gun Woo KO, Soon Il JUNG, Mi Ran JI
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Publication number: 20230299239Abstract: A display device and method for fabrication thereof are provided. The display device includes a first electrode and a second electrode spaced apart from the first electrode in a second direction, light emitting elements disposed on the first electrode and the second electrode, a first insulating layer disposed on the light emitting elements, a first connection electrode disposed on the first electrode and electrically contacting each of the light emitting elements, and a second connection electrode disposed on the second electrode and electrically contacting each of the light emitting elements, and the first insulating layer includes a first portion and a second portion having a thickness larger than a thickness of the first portion of the first insulating layer.Type: ApplicationFiled: January 10, 2023Publication date: September 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Sung Geun BAE, Jang Soon PARK, Hyun Wook LEE, Da Sol JEONG, Su Min CHOI, Won Hyeong HEO
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Publication number: 20230301134Abstract: A light-emitting device includes a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode. The interlayer includes a hole transport region including an electron blocking layer, a first emission layer between the electron blocking layer and the second electrode, a second emission layer between the first emission layer and the second electrode, and an electron transport region between the second emission layer and the second electrode and including a hole blocking layer.Type: ApplicationFiled: November 7, 2022Publication date: September 21, 2023Applicant: Samsung Display Co., Ltd.Inventors: Jungho CHOI, Hajin SONG, Dongseob JEONG
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Publication number: 20230296950Abstract: A display device includes a first display area including a plurality of first pixel areas and a second display area including a plurality of second pixel areas and a plurality of light transmitting areas. Each of the plurality of first pixel areas includes at least one first pixel to display an image. Each of the plurality of second pixel areas includes at least one second pixel to display the image. The light transmitting area does not include a pixel capable of displaying the image and has higher light transmittance than the second pixel area. In the second display area, at least one of the plurality of light transmitting areas is between two second pixel areas adjacent in a first direction, and at least one of the plurality of light transmitting areas is between two second pixel areas adjacent in a second direction different from the first direction.Type: ApplicationFiled: April 17, 2023Publication date: September 21, 2023Applicant: Samsung Display Co., Ltd.Inventors: Hyun-Chol BANG, Won Kyu KWAK, Dong Wook KIM, Jin Woo PARK, Sun-Ja KWON