- 专利标题: ORGANIC ELECTROLUMINESCENT DEVICES
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申请号: US18102212申请日: 2023-01-27
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公开(公告)号: US20230247884A1公开(公告)日: 2023-08-03
- 发明人: Michael HACK , Michael Stuart WEAVER , Eric A. MARGULIES , Lorne A. WHITEHEAD
- 申请人: Universal Display Corporation
- 申请人地址: US NJ Ewing
- 专利权人: Universal Display Corporation
- 当前专利权人: Universal Display Corporation
- 当前专利权人地址: US NJ Ewing
- 主分类号: H10K59/35
- IPC分类号: H10K59/35 ; H10K59/80
摘要:
Embodiments of the disclosed subject matter provide a device including an organic light emitting device (OLED) display having at least one pixel having a plurality of sub-pixels, where at least one color sub-pixel of the plurality of sub-pixels may be configured to output red light, green light, and/or blue light. The device may include at least one sub-pixel that is configured to have a Lambertian emission, and at least one sub-pixel having a microcavity configured for direct emission such that a first ratio of light from the direct emission sub-pixel in a cone having an angle of 0-20° in a normal direction relative to an overall light emission from the direct emission sub-pixel having at least 10%, at least 20%, and/or at least 30% higher than a second ratio of light from the Lambertian emission sub-pixel.
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