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Patent Searching and Data


Title:
OPTICAL FILTER, AND CAMERA MODULE, AND ELECTRONIC DEVICE COMPRISING THE SAME
Document Type and Number:
Japanese Patent JP2019086771
Kind Code:
A
Abstract:
To provide: an optical filter that minimizes an optical distortion phenomenon of an image sensor and is advantageously made into a thin film; and a camera module and an electronic device that comprise the optical filter.SOLUTION: An optical filter comprises a polymer film having aof -5.0 to +5.0 and bof -5.0 to +5.0, based on a color coordinate expressed by a CIE Lab color space; and a near-infrared absorption layer on the polymer film, the near-infrared absorption layer being configured to transmit light in a visible region and to selectively absorb at least a part of light in a near-infrared region. The near-infrared absorption layer includes a first near-infrared absorption material and a second near-infrared absorption material, the first near-infrared absorption material including a copper phosphate ester compound, the second near-infrared absorption material including at least two different organic dyes, and the second near-infrared absorption material having a maximum absorption wavelength (λ) in a wavelength region of 650 nm to 1200 nm.SELECTED DRAWING: Figure 1

Inventors:
元 鍾 勳
金 暢 基
金 炯 俊
李 龍 柱
鄭 明 燮
Application Number:
JP2018204698A
Publication Date:
June 06, 2019
Filing Date:
October 31, 2018
Export Citation:
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Assignee:
三星電子株式会社
Samsung Electronics Co.,Ltd.
International Classes:
G02B5/22; C09K3/00; G02B1/11; G02B7/02; G02B7/04; G03B11/00; H04N5/225
Attorney, Agent or Firm:
特許業務法人共生国際特許事務所