Light emitter, light emitting device, optical device, and information processing apparatus

A technology for optical devices and light-emitting devices, applied in semiconductor laser optical devices, laser parts, lasers, etc., can solve the problem of difficulty in reducing the wiring inductance of capacitors and light sources, and prevent high-intensity light from being applied to the outside. Area, the effect of preventing the entry of foreign objects

Pending Publication Date: 2020-09-04
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is difficult to reduce the wiring inductance between the capacitor and the light source, and this becomes a constraint in the case of turning on and off the light source at high speed

Method used

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  • Light emitter, light emitting device, optical device, and information processing apparatus
  • Light emitter, light emitting device, optical device, and information processing apparatus
  • Light emitter, light emitting device, optical device, and information processing apparatus

Examples

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Embodiment approach

[0058] The information processing device recognizes whether access is permitted to the user accessing the information processing device, and in many cases, allows use of the device (information processing device) only if the authenticated user is a user who is permitted to access. So far, methods of authenticating users using passwords, fingerprints, irises, etc. have been employed. In recent years, an authentication method with higher security needs to be adopted. As this method, authentication using a three-dimensional image such as the shape of the user's face or the like is performed.

[0059] Here, as an example, an information processing device is described as a portable information processing terminal, and as a device that authenticates a user by recognizing the shape of a face captured as a three-dimensional image. In addition, the information processing device can also be applied to an information processing device such as a personal computer (PC) in addition to the ...

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Abstract

A light emitter, a light emitting device, an optical device, and an information processing apparatus are provided. The light emitter includes: a substrate; a capacitor provided on the substrate; a light source that is provided on the substrate and to which a driving current from electric charges accumulated in the capacitor is supplied; a cover section through which light emitted from the light source is transmitted and that is disposed in an optical axial direction of the light source; and a support section that is provided on a part of the substrate excluding a part between the capacitor andthe light source and supports the cover section.

Description

technical field [0001] The present invention relates to light emitters, light emitting devices, optical devices and information processing equipment. Background technique [0002] JP-A-2018-32654 discloses that a vertical resonator type light emitting element module including a plurality of vertical resonator type light emitting elements arranged on a plane has a bonding surface provided on a substrate from mutual phase in a region between the laser beams of adjacent vertical resonator-type light emitting elements and on the emission direction side of the laser beams; and an outer wall facing a beam space through which the laser beams are transmitted. [0003] Incidentally, light sources that perform three-dimensional sensing by the time-of-flight (ToF) method must switch large currents on and off at higher speeds in order to improve measurement accuracy. Therefore, when a wall supporting a diffusion plate that diffuses light from the light source is provided between the ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/00H01S5/183H01S5/187G06F21/32G06K9/00G06V10/141G06V10/147
CPCH01S5/005H01S5/183H01S5/187G06F21/32G06V40/161H01S5/423H01S5/18311H01S5/0428H01S5/02257H01S5/02325G01S7/4815G01S17/894G01S7/497G06V40/166G06V10/141G06V10/147G06V2201/121H01S5/0683G01S17/42H01S5/34313G06V20/64G06V40/172H01S5/02315H01S5/0239G01S7/4813G01S17/14
Inventor 稻田智志大野健一皆见健史大塚勤樋口贵史
Owner FUJIFILM BUSINESS INNOVATION CORP
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