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Display devices, light emitting diode chips and methods for manufacturing the same

專利號
US10868216B2
公開日期
2020-12-15
申請人
Kunshan New Flat Panel Display Technology Center Co., Ltd.; Kunshan Go-Visionox Opto-Electronics Co., Ltd.
發(fā)明人
Rubo Xing; Dong Wei; Xiaolong Yang; Huimin Liu
IPC分類
H01L33/38; H01L33/12; H01L33/00; H01L33/32; H01L25/16; H01L33/62
技術(shù)領(lǐng)域
recess,layer,diode,emitting,first,exemplary,light,chip,solder,recesses
地域: Kunshan

摘要

The present application relates to a light emitting diode chip including: a first semiconductor layer and a second semiconductor layer. The first semiconductor layer and the second semiconductor layer are laminated to each other, and have an exposed upper surface respectively. An electrode is provided on the upper surfaces of the first semiconductor layer and the second semiconductor layer respectively. The electrode has a first recess in a direction perpendicular to the upper surface.

說明書

1 2 3 4 5 6 7 8 9 10 11 12 13 14

To illustrate the technical solutions according to the exemplary embodiments of the present application more clearly, the accompanying drawings for describing the exemplary embodiments are introduced briefly below. Apparently, the accompanying drawings in the following description are only some exemplary embodiments of the present application, and a person of ordinary skill in the art can derive other drawings from the accompanying drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a light emitting diode according to an exemplary embodiment of the present application.

FIG. 2 is a schematic cross-sectional structural diagram of the light emitting diode shown in FIG. 1 along a sectional line A-A.

FIG. 3 is a schematic structural diagram of a display device according to an exemplary embodiment of the present application.

DETAILED DESCRIPTION OF THE INVENTION

In the prior art, in order to improve the soldering strength between the Micro-LED chip and the driving back plate, a solder is generally selected for improvement of the soldering strength. For example, a material, such as gold-tin alloy, soldering tin, and the like, is used. However, in a case of a small area of an electrode, a bonding force of the soldering is still insufficient.

Specific exemplary embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings.

權(quán)利要求

1
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