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Light-emitting element and detection device

A technology of light-emitting elements and detection devices, which is applied in the directions of measurement devices, electrical components, electrical solid-state devices, etc.

Active Publication Date: 2020-10-16
GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a light-emitting element and a detection device, which aims to solve the problem that the existing light-emitting elements need electroluminescence or photoluminescence to emit light

Method used

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  • Light-emitting element and detection device
  • Light-emitting element and detection device
  • Light-emitting element and detection device

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, the ...

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Abstract

The invention provides a light-emitting element and a detection device. The light-emitting element comprises a first contact piece, a first charge induction layer, a light-emitting piece, a second charge induction layer and a second contact piece, wherein the first charge induction layer is attached to part of the area of the first contact piece, the light-emitting piece is attached to the side, deviating from the first contact piece, of the first charge induction layer, the second charge induction layer is attached to the side, deviating from the first charge induction layer, of the light-emitting piece, and the second contact piece is partially attached to the side, deviating from the light-emitting piece, of the second charge induction layer. Namely, when the first contact piece and thesecond contact piece are extruded by external stress in the same direction, the first contact piece and the second contact piece can generate polarization charges, the polarization charges at the first contact piece are sensed through the first charge induction layer, the polarization charges at the second contact piece are sensed through the second charge induction layer, an electric field is formed, and therefore the effect that the light-emitting element is driven by pressure to emit light is achieved.

Description

technical field [0001] The invention relates to the field of light emitting devices, in particular to a light emitting element and a detection device. Background technique [0002] At present, due to the advantages of wide color gamut, high color saturation, and superior luminous performance of organic electroluminescent elements, organic electroluminescent elements are widely used in wristbands, mobile phones, tablet computers, TVs and high-end lamps of different sizes. display field and lighting element field. [0003] However, the existing organic electroluminescent elements are generally driven to emit light by applying different voltages on the cathode and anode, for example: positively charged carriers drift from the anode and the injection layer to the light-emitting layer through the transport layer, Carriers drift from the cathode and the injection layer to the light-emitting layer through the transport layer. In this way, the positive load carriers meet in the lig...

Claims

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Application Information

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IPC IPC(8): H01L27/32G01D21/02
CPCG01D21/02H10K59/40
Inventor 李宝雨
Owner GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD
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