Title:
LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/145186
Kind Code:
A1
Abstract:
[Problem] To provide: a light-emitting device with which light from a plurality of light-emitting elements can be suitably shaped; and a manufacturing method therefor. [Solution] A light-emitting device (1) of the present disclosure comprises: a substrate (51); a plurality of light-emitting elements (53) provided on a first surface (S1) side of the substrate (51); at least one front-stage lens (71, 81) which is provided on a second surface (S2) side of the substrate (51) and on which light emitted from the plurality of light-emitting elements (53) is incident; and at least one back-stage lens (82) which is provided on a film (56) provided on the surface of a first lens (71) and on which light having passed through the first lens (71) is incident. The front-stage lens (71, 81) includes the first lens (71) and a second lens (81). A portion of the surface of the second lens (81) serves as the surface of the first lens (71). Alternatively, the back-stage lens (82) includes a third lens and a fourth lens, and a portion of the surface of the fourth lens serves as the surface of the third lens.
Inventors:
YAMAMOTO ATSUSHI (JP)
Application Number:
PCT/JP2021/045170
Publication Date:
July 07, 2022
Filing Date:
December 08, 2021
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
H01S5/02253; G02B3/00; H01S5/026
Domestic Patent References:
| WO2021149372A1 | 2021-07-29 |
Foreign References:
| JP2020532126A | 2020-11-05 | |||
| JP2020532141A | 2020-11-05 | |||
| JP2020530747A | 2020-10-22 | |||
| JP2020155771A | 2020-09-24 | |||
| US20200251882A1 | 2020-08-06 |
Attorney, Agent or Firm:
NAKAMURA Yukitaka et al. (JP)
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