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Patent Searching and Data


Title:
MICRO-LENS ARRAY AND LIGHT-EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/132401
Kind Code:
A1
Abstract:
A micro-lens array having: a base material having a planar rectangular shape that has parallel sides that extend in a first direction and a second direction; and a plurality of micro lenses disposed on the base material. The bottom surface of the three-dimensional shape of the micro lenses is rectangular. The micro lenses are disposed so as to be aligned in the first direction and the second direction on the base material. The vertex of each micro lens is disposed offset from the center point of the rectangle that forms the bottom surface of that single lens, by a prescribed amount and in one direction out of the first direction, the second direction, a third direction in the opposite direction to the first direction, and a fourth direction in the opposite direction to the second direction. The plurality of micro lenses are formed such that a standard pattern that includes a plurality of micro lenses is repeated in the first direction and the second direction.

Inventors:
OGIHARA TAKESHI (JP)
Application Number:
PCT/JP2020/048301
Publication Date:
July 01, 2021
Filing Date:
December 23, 2020
Export Citation:
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Assignee:
CITIZEN ELECTRONICS (JP)
CITIZEN WATCH CO LTD (JP)
International Classes:
G02B3/00; F21V5/00; F21V5/04; H01S5/022; F21Y115/30
Foreign References:
JP2019092145A2019-06-13
JP2016224212A2016-12-28
JP2018200489A2018-12-20
US20110284725A12011-11-24
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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