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公开(公告)号：US20230200142A1
公开(公告)日：2023-06-22
申请号：US17962260
申请日：2022-10-07
Applicant: LG Display Co., Ltd.
Inventor： Youngjune GO , Joohwan HWANG , Wooseok NOH , Hyejin KIM , SungHo LEE , Huiseong YU , Seokmin HONG
CPC classification number: H01L27/3246 , H01L51/5271
Abstract: An electroluminescent display device can include a substrate divided into a plurality of sub-pixels having an opening area and a non-opening area, a planarization layer disposed on the substrate, an anode disposed on the planarization layer, and a bank disposed on the anode and the planarization layer, the bank having an opening exposing a portion of the anode in the opening area. The electroluminescent display device has a light emitting unit disposed on the portion of the anode; a cathode disposed on the light emitting unit and the bank. A deposition blocking layer is disposed on the cathode in a portion of the non-opening area and the opening area, and a reflective layer disposed on the cathode in another portion of the non-opening area, in which the reflective layer does not overlap with the deposition blocking layer.
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公开(公告)号：US20230189556A1
公开(公告)日：2023-06-15
申请号：US17973497
申请日：2022-10-25
Applicant: LG Display Co., Ltd.
Inventor： Sungjin Bang , JungHyun Ham , Taeseong Han
CPC classification number: H01L51/5271 , H01L27/322 , H01L27/3218 , H01L51/5293
Abstract: A light emitting display apparatus comprises a substrate comprising a light emitting surface and a plurality of pixels having an emission area; a pixel circuit layer comprising a plurality of insulating layers over the substrate; a protection layer disposed over the pixel circuit layer; a light extraction portion over the protection layer in the emission area, the light extraction portion comprising a plurality of concave portions, and a convex portion between the plurality of concave portions; a light emitting device layer on the light extraction portion, the light emitting device layer configured to emit light to the light emitting surface; and a light guide surface at one of the plurality of insulating layers and the protection layer at each of the plurality of pixels, the light guide surface is inclined with respect to the light emitting surface while overlapping with the emission area.
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公开(公告)号：US11672173B2
公开(公告)日：2023-06-06
申请号：US17530403
申请日：2021-11-18
Applicant: Samsung Display Co., Ltd.
Inventor： Seulong Kim , Younsun Kim , Dongwoo Shin , Jungsub Lee , Naoyuki Ito , Jino Lim
CPC classification number: H01L51/0061 , C09K11/025 , C09K11/06 , H01L51/006 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0085 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/52 , H01L51/5271 , C09K2211/185 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/5012
Abstract: An organic light-emitting device having low-driving voltage, improved efficiency, and long lifespan includes: a first electrode; a second electrode facing the first electrode; a first layer between the first electrode and the second electrode, the first layer including a first compound; a second layer between the first layer and the second electrode, the second layer including a second compound; and a third layer between the second layer and the second electrode, the third layer including a third compound; wherein the first compound does not include a nitrogen-containing heterocyclic group comprising *═N—*′ as a ring forming moiety, and wherein the first compound, the second compound, and the third compound each independently include at least one group selected from groups represented by Formulae A to C:
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公开(公告)号：US20190237698A1
公开(公告)日：2019-08-01
申请号：US16339395
申请日：2017-07-27
Applicant: OLED Material Solutions Co., Ltd.
Inventor： Seiichi HANADA , Masashi TABE , Yasuo YAMAZAKI , Akihiko SAKAMOTO
CPC classification number: H01L51/5234 , H01L51/50 , H01L51/5012 , H01L51/5271 , H01L51/5275 , H05B33/02 , H05B33/04 , H05B33/28
Abstract: A mother substrate for substrate for electronic device including comprises a transparent substrate having a first surface and a second surface opposite to each other, a concavo-convex structure formed on the first surface of the transparent substrate, and a transparent covering layer having a higher refractive index than the transparent substrate, and being configured to cover the first surface and the concavo-convex structure. An outer peripheral end of the transparent covering layer is located at the same position as an outer peripheral end of the transparent substrate or located at a position on an inner side with respect to the outer peripheral end of the transparent substrate, and an outer peripheral end of the concavo-convex structure is located at a position on an inner side with respect to the outer peripheral end of the transparent covering layer.
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5.发明申请
公开(公告)号：US20190172879A1
公开(公告)日：2019-06-06
申请号：US16258768
申请日：2019-01-28
Inventor： Jhih-jie HUANG , Bo LIANG , Wei WANG
CPC classification number: H01L27/3244 , H01L51/0035 , H01L51/0097 , H01L51/5271 , H01L51/56 , H01L2227/323 , H01L2251/5323 , H01L2251/5338 , Y02E10/549
Abstract: A double-sided organic light-emitting display apparatus includes: a rigid substrate; a transmission flexible substrate and a reflective flexible substrate formed on the rigid substrate; a display substrate having a plurality of switching elements and formed on the transmission flexible substrate and the reflective flexible substrate; and a top-emission OLED light-emitting layer and a bottom-emission OLED light-emitting layer formed on the display substrate. The top-emission OLED light-emitting layer is corresponding to the reflective flexible substrate and the bottom-emission OLED light-emitting layer is corresponding to the transmission flexible substrate. The OLED display apparatus can serve as a double-sided display, and because of the use of the flexible substrate, it also has the advantage of easy carrying and flexibility.
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6.发明申请
公开(公告)号：US20190165322A1
公开(公告)日：2019-05-30
申请号：US16320750
申请日：2017-05-31
Applicant: Sony Semiconductor Solutions Corporation
Inventor： Kimihiro Shinya
CPC classification number: H01L51/5271 , G09F9/30 , H01L27/3244 , H01L27/3246 , H01L51/5253 , H01L51/56
Abstract: [Object] To provide a light emitting element that enables efficient light extraction and offers low power consumption.[Solution] A light emitting element including: a lower electrode disposed on a support layer; first members disposed on the support layer so as to surround the lower electrode to form a recess structure, the first members each having a void inside; an organic layer disposed on the lower electrode and the first members and along the recess structure, the organic layer containing an organic luminescent material; an upper electrode disposed on the organic layer and along the recess structure; and a second member disposed above the upper electrode such that the recess structure is embedded in the second member, the second member having a higher refractive index than the first members.
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公开(公告)号：US20190165061A1
公开(公告)日：2019-05-30
申请号：US16125229
申请日：2018-09-07
Applicant: Samsung Display Co., Ltd.
Inventor： Soonil JUNG , Haeyoung YUN , Junghyun CHO , Sanghyun CHOI
CPC classification number: H01L51/5275 , H01L27/3216 , H01L27/3218 , H01L27/323 , H01L27/3246 , H01L51/5209 , H01L51/5253 , H01L51/5271
Abstract: An organic light emitting display device includes: a substrate; a first electrode on the substrate; a pixel defining layer on the substrate, the pixel defining layer defining a first opening which exposes at least a part of the first electrode; an organic light emitting layer on the first electrode; a second electrode on the organic light emitting layer; a thin film encapsulation layer on the second electrode; a sensing electrode on the thin film encapsulation layer; a low refractive index layer on the sensing electrode, the low refractive index layer defining a second opening which overlaps the first opening; and a high refractive index layer on the thin film encapsulation layer. A gap between an edge of the first opening and an edge of the second opening is constant irrespective of direction.
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公开(公告)号：US20190051714A1
公开(公告)日：2019-02-14
申请号：US16158953
申请日：2018-10-12
Applicant: SEIKO EPSON CORPORATION
Inventor： Takeshi KOSHIHARA , Hitoshi OTA , Ryoichi NOZAWA
CPC classification number: H01L27/3262 , G09G3/32 , G09G3/325 , G09G2300/0842 , G09G2300/0861 , H01L27/1214 , H01L27/3206 , H01L27/322 , H01L27/326 , H01L27/3265 , H01L27/3272 , H01L27/3276 , H01L51/5265 , H01L51/5271
Abstract: Subpixels of R, G, and B corresponding to a scanning line as a first conductive layer extended in a row direction and a data transfer line as a second conductive layer extended in a column direction are provided. A plurality of transistors in the subpixel of each of the colors is disposed along the column direction, and a reflective layer in the subpixel of at least one color is disposed along the row direction so as to overlap any transistor of subpixels of each display color. A center position of a disposition region of a reflective layer in one pixel unit including the subpixels of R, G, and B is different from a center position of a disposition region of a transistor in one pixel unit.
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公开(公告)号：US20180331325A1
公开(公告)日：2018-11-15
申请号：US15839972
申请日：2017-12-13
Applicant: BOE Technology Group Co., Ltd.
Inventor： Wei Zhang
CPC classification number: H01L51/5271 , H01L27/3246 , H01L51/5209 , H01L51/5218 , H01L51/5234 , H01L51/56 , H01L2251/558
Abstract: An OLED display panel, a manufacturing method thereof and a display device is provided. The OLED display panel includes a basal substrate as well as a first pixel definition layer and a plurality of OLEDs arranged on the basal substrate. The first pixel definition layer is provided with a plurality of openings and each opening is correspondingly provided with an OLED. Each OLED includes a first electrode, a light emitting layer and a second electrode. Each first electrode is arranged on the bottom and the sidewall of the corresponding opening. The light emitting layer and the second electrode are sequentially arranged on the first electrode. The first electrode is configured to reflect the light emitted by the OLED towards the side of the OLED that is away from the basal substrate. Thus, the brightness and the light extracting efficiency of the display panel is improved.
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公开(公告)号：US20180301442A1
公开(公告)日：2018-10-18
申请号：US15519839
申请日：2017-03-16
Inventor： Baixiang Han , Poyen Lu
CPC classification number: H01L25/167 , H01L27/124 , H01L27/1248 , H01L27/1262 , H01L33/405 , H01L33/42 , H01L33/44 , H01L33/62 , H01L51/5209 , H01L51/5271 , H01L51/56 , H01L2933/0016 , H01L2933/0025 , H01L2933/0066
Abstract: The present invention provides a light emitting diode display and a manufacture method thereof. The manufacture method of the light emitting diode forms the first anode covering the first through hole and possessing the reflection property on the planarization layer, and can use the reflection property of the first anode to gather and reflect the divergent light emitted by the light emitting diode located inside the first through hole to raise the light utilization and to promote the display quality. The light emitting diode of the present invention locates the first anode covering the first through hole and possessing the reflection property on the planarization layer, and can use the reflection property of the first anode to gather and reflect the divergent light emitted by the light emitting diode located inside the first through hole to raise the light utilization and to promote the display quality.
