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Patent Searching and Data


Title:
LIGHT-EMITTING DEVICE, DISPLAY DEVICE, IMAGING DEVICE, AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/220111
Kind Code:
A1
Abstract:
The present disclosure provides a light-emitting device having an insulating layer, a light-emitting element that is arranged on a main surface of the insulating layer, includes a light-emitting material, and has a resonator structure, and a lens provided on the light-emitting element, the PL spectrum of the light-emitting material having a first peak with a wavelength of λpl in a visible light region, wherein the light-emitting device is characterized in that in the resonator structure, a resonance peak wavelength λon of an interference spectrum that intensifies light emitted in a direction perpendicular to the main surface, a peak wavelength λEL of an EL light emission emitted via the light-extraction structure, and the λPL satisfy the following formula (1). Formula (1): |λEL - λPL| < |λon - λPL|

Inventors:
KAJIMOTO NORIFUMI (JP)
ISHIZUYA KOJI (JP)
ITO TAKAYUKI (JP)
SANO HIROAKI (JP)
TAKAHASHI TETSUO (JP)
MATSUDA YOJIRO (JP)
Application Number:
PCT/JP2022/015552
Publication Date:
October 20, 2022
Filing Date:
March 29, 2022
Export Citation:
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Assignee:
CANON KK (JP)
International Classes:
H05B33/24; G09F9/30; H01L27/32; H01L51/50; H05B33/02; H05B33/22
Foreign References:
JP2012134128A2012-07-12
US20190165052A12019-05-30
JP2017017013A2017-01-19
JP2021067635A2021-04-30
JP2022018103A2022-01-26
Attorney, Agent or Firm:
ABE Takuma et al. (JP)
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