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公开(公告)号：US10916721B2
公开(公告)日：2021-02-09
申请号：US16781173
申请日：2020-02-04
Applicant: Universal Display Corporation
Inventor： Vadim Adamovich , Michael Stuart Weaver , Raymond Kwong
Abstract: An organic light emitting diode (OLED) architecture in which efficient operation is achieved without requiring a blocking layer by locating the recombination zone close to the hole transport side of the emissive layer. Aryl-based hosts and Ir-based dopants with suitable concentrations result in an efficient phosphorescent OLED structure. Previously, blocking layer utilization in phosphorescent OLED architectures was considered essential to avoid exciton and hole leakage from the emissive layer, and thus keep the recombination zone inside the emissive layer to provide high device efficiency and a pure emission spectrum.
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公开(公告)号：US10700134B2
公开(公告)日：2020-06-30
申请号：US14605757
申请日：2015-01-26
Applicant: Universal Display Corporation
Inventor： Michael Hack , Julia J. Brown , Michael Stuart Weaver , Woo-Young So
IPC: H01L27/32
Abstract: This disclosure relates to reduced power consumption OLED displays at reduced cost for reduced information content applications, such as wearable displays. Image quality for wearable displays can be different than for high information content smart phone displays and TVs, where the wearable display has an architecture that in includes, for example, an all phosphorescent device and/or material system that may be fabricated at reduced cost. The reduced power consumption can facilitate wireless and solar charging.
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公开(公告)号：US10593900B2
公开(公告)日：2020-03-17
申请号：US14174456
申请日：2014-02-06
Applicant: Universal Display Corporation
Inventor： Vadim Adamovich , Michael Stuart Weaver , Raymond Kwong
Abstract: An organic light emitting diode (OLED) architecture in which efficient operation is achieved without requiring a blocking layer by locating the recombination zone close to the hole transport side of the emissive layer. Aryl-based hosts and Ir-based dopants with suitable concentrations result in an efficient phosphorescent OLED structure. Previously, blocking layer utilization in phosphorescent OLED architectures was considered essential to avoid exciton and hole leakage from the emissive layer, and thus keep the recombination zone inside the emissive layer to provide high device efficiency and a pure emission spectrum.
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公开(公告)号：US10522776B2
公开(公告)日：2019-12-31
申请号：US15589291
申请日：2017-05-08
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor： Vadim Adamovich , Michael Stuart Weaver , Nicholas J. Thompson
Abstract: Devices having multiple multicomponent emissive layers are provided, where each multicomponent EML includes at least three components. Each of the components in each EML is a host material or an emitter. The devices have improved color stability and relatively high luminance.
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公开(公告)号：US10229956B2
公开(公告)日：2019-03-12
申请号：US14605748
申请日：2015-01-26
Applicant: Universal Display Corporation
Inventor： Michael Hack , Michael Stuart Weaver , Julia J. Brown , Woo-Young So , Candice H. Brown
Abstract: OLED-based devices that include at least two colors of emissive regions are provided, in which one region is optically coupled to a microcavity and the other is not. Devices including pixels in which only a portion of sub-pixels within the pixel are coupled to a microcavity are provided.
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Patent Agency Ranking
公开(公告)号：US09818804B2
公开(公告)日：2017-11-14
申请号：US14858875
申请日：2015-09-18
Applicant: Universal Display Corporation
Inventor： Michael Hack , Michael Stuart Weaver , William T. Mayweather, III , Julia J. Brown , Nicholas J. Thompson
IPC: H01L27/32
CPC classification number: H01L27/3225 , H01L27/3213
Abstract: A hybrid pixel arrangement for a full-color display is provided, which includes an inorganic LED in at least one sub-pixel, and an organic emissive stack in at least one other sub-pixel. In an embodiment, a first sub-pixel is configured to emit a first color, and includes an inorganic LED, a second sub-pixel is configured to emit a second color, and includes a first portion of a first organic emissive stack configured to emit an initial color different from the first color. A third sub-pixel is configured to emit a third color different from the initial color, and includes a second portion of the first organic emissive stack, and a first color altering layer disposed in a stack with the second portion of the first organic emissive stack.
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公开(公告)号：US20170207281A1
公开(公告)日：2017-07-20
申请号：US15479947
申请日：2017-04-05
Applicant: Universal Display Corporation
Inventor： Michael Hack , Michael Stuart Weaver , Nicholas J. Thompson , Vadim Adamovich
CPC classification number: H01L27/3206 , H01L27/3213 , H01L27/3218 , H01L27/322 , H01L51/5209 , H01L51/5265 , H01L51/56 , H01L2251/5315 , H01L2251/558
Abstract: Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.
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公开(公告)号：US20170092699A1
公开(公告)日：2017-03-30
申请号：US15373090
申请日：2016-12-08
Applicant: Universal Display Corporation
Inventor： Michael Hack , Michael Stuart Weaver , Julia J. Brown , Xin Xu
CPC classification number: H01L27/3213 , H01L27/3211 , H01L27/322 , H01L51/0011 , H01L51/5012 , H01L51/5016 , H01L51/56 , H01L2227/323 , H01L2251/5315 , H01L2251/5353
Abstract: Arrangements of pixel components that allow for full-color devices, while using emissive devices that use blue color altering layers in conjunction with blue emissive regions, that emit at not more than two colors, and/or that use limited number of color altering layers, are provided. Devices disclosed herein also may be achieved using simplified fabrication techniques compared to conventional side-by-side arrangements, because fewer masking steps may be required.
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公开(公告)号：US20160155378A1
公开(公告)日：2016-06-02
申请号：US15001395
申请日：2016-01-20
Applicant: Universal Display Corporation
Inventor： Michael Hack , Julia J. Brown , Michael Stuart Weaver , Mauro Premutico
Abstract: Light emitting devices including sub-pixels having different numbers of emissive layers are provided. At least one sub-pixel of a first color may include a single emissive layer, and at least one sub-pixel of a second color may include multiple emissive layers disposed in a vertical stack. Light emitting devices in which different voltages are applied to each sub-pixel or group of sub-pixels are also provided. In some configurations, the voltage to be applied to a sub-pixel may be selected based upon the number of emissive layers in the sub-pixel.
Abstract translation: 提供包括具有不同数量的发射层的子像素的发光器件。 第一颜色的至少一个子像素可以包括单个发射层，并且第二颜色的至少一个子像素可以包括设置在垂直堆叠中的多个发射层。 还提供了将不同电压施加到每个子像素或子像素组的发光器件。 在一些配置中，可以基于子像素中的发射层的数量来选择要施加到子像素的电压。
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公开(公告)号：US09331299B2
公开(公告)日：2016-05-03
申请号：US14250986
申请日：2014-04-11
Applicant: Universal Display Corporation
Inventor： Xin Xu , Michael Stuart Weaver
CPC classification number: H01L51/504 , H01L51/0071 , H01L51/0072 , H01L51/0074 , H01L51/0085
Abstract: Organic light emitting devices (OLEDs) are provided that include two red emissive dopants. The two dopants may be disposed within a common organic emissive layer in an OLED, or each may be disposed in a separate layer. Configurations including multiple layers having multiple dopants are also provided, in which a first red dopant is disposed in a separate organic layer from a second red dopant, and a common dopant of another color, such as green, is disposed in each organic layer. Devices as disclosed herein are capable of providing an R9 value of at least 80, and of providing white light with a CRI of at least 80.
Abstract translation: 提供了包括两种红色发射掺杂剂的有机发光器件（OLED）。 两个掺杂剂可以被布置在OLED中的公共有机发光层内，或者每个可以设置在单独的层中。 还提供了包括具有多个掺杂剂的多层的配置，其中将第一红色掺杂剂设置在与第二红色掺杂剂分离的有机层中，并且在每个有机层中设置另一种颜色（例如绿色）的公共掺杂剂。 本文公开的装置能够提供至少80的R9值，并且提供具有至少80的CRI的白光。
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