Invention Grant
- Patent Title: Light-emitting module and planar light source
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Application No.: US17837746Application Date: 2022-06-10
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Publication No.: US11674666B2Publication Date: 2023-06-13
- Inventor: Daisuke Iwakura
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan
- Assignee: NICHIA CORPORATION
- Current Assignee: NICHIA CORPORATION
- Current Assignee Address: JP Anan
- Agency: Foley & Lardner LLP
- Priority: JP 2020124395 2020.07.21 JP 2021052755 2021.03.26 JP 2021075288 2021.04.27
- Main IPC: F21V5/04
- IPC: F21V5/04 ; F21V7/00 ; F21V8/00 ; H01L33/58 ; H01L33/60 ; H01L33/62 ; F21Y105/16 ; G02F1/13357

Abstract:
A light-emitting module includes: a light source; a light guide plate including an upper surface and a lower surface, the lower surface being at a side opposite to the upper surface, the light guide plate being configured to guide light from the light source; a wavelength conversion sheet located at an upper surface side of the light guide plate; a first light-reflective member located at a lower surface side of the light guide plate, the first light-reflective member including: a first resin member, and a first reflector, where a refractive index of the first reflector is lower than a refractive index of the first resin member; and a second light-reflective member located at a lower surface side of the first light-reflective member, wherein the second light-reflective member includes: a second resin member, and a second reflector, where a refractive index of the second reflector is higher than a refractive index of the second resin member.
Public/Granted literature
- US20220316682A1 LIGHT-EMITTING MODULE AND PLANAR LIGHT SOURCE Public/Granted day:2022-10-06
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