- 专利标题: Light emitting device for display and backlight unit including the same
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申请号: US18236105申请日: 2023-08-21
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公开(公告)号: US12119431B2公开(公告)日: 2024-10-15
- 发明人: Seongmin Kim , Jeongeun Yun , Jeongrok Oh , Sungwoo Choi , Chulsoo Yoon
- 申请人: SAMSUNG ELECTRONICS CO., LTD.
- 申请人地址: KR Suwon-si
- 专利权人: SAMSUNG ELECTRONICS CO., LTD.
- 当前专利权人: SAMSUNG ELECTRONICS CO., LTD.
- 当前专利权人地址: KR Suwon-si
- 代理机构: Sughrue Mion, PLLC
- 优先权: KR 20220111008 2022.09.01
- 主分类号: H01L33/50
- IPC分类号: H01L33/50 ; F21V8/00 ; H01L25/075
摘要:
A light emitting device includes a first light emitter including a first light emitting chip emitting first blue light and at least one among a first phosphor and a second phosphor, the first light emitter being configured to emit second blue light, and a second light emitter including a second light emitting chip emitting third blue light and at least one among a third phosphor and a fourth phosphor, the second light emitter being configured to emit fourth blue light, wherein a ratio of an intensity of a peak wavelength of the fourth blue light to an intensity of a peak wavelength of the second blue light is greater than or equal to 0.6.
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