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Display screen and electronic device

專利號
US11176349B1
公開日期
2021-11-16
申請人
BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.（CN Beijing）
發(fā)明人
Jinze Li
IPC分類
G06K9/00; G09G3/00; G09G3/3208
技術(shù)領(lǐng)域
shifting,screen,oled,color,layer,display,in,light,reflective,material
地域： Beijing

摘要

A display screen for an electronic device having an under-screen fingerprint collection component includes a substrate, and a color shifting layer arranged to the substrate The color shifting layer is made of a photochromic material. The color shifting layer covers at least a portion of the substrate corresponding to the under-screen fingerprint collection component.

說明書

CROSS-REFERENCE TO RELATED APPLICATION

The present application claims priority to Chinese Patent Application No. 202010604183.3 filed on Jun. 29, 2020, the disclosure of which is hereby incorporated by reference in its entirety.

BACKGROUND

With the development of technology, the area of the display screen is getting larger and larger to provide users with better visual enjoyment. In order to increase the screen-to-body ratio of electronic devices such as mobile phones, cameras, fingerprint collection modules, etc. can be moved to the bottom of the display.

SUMMARY

According to embodiments of a first aspect of the present disclosure, there is provided a display screen for an electronic device having an under-screen fingerprint collection component. The display screen includes a substrate and a color shifting layer arranged to the substrate. The color shifting layer is made of a photochromic material. The color shifting layer covers at least a region of the substrate corresponding to the under-screen fingerprint collection component.

According to embodiments of a second aspect of the present disclosure, there is provided an electronic device, including a display screen and a fingerprint collection component arranged below the display screen. The display screen includes a substrate and a color shifting layer arranged over the substrate. The color shifting layer is made of a photochromic material. The color shifting layer covers at least a region of the substrate corresponding to the fingerprint collection component.

權(quán)利要求

1
What is claimed is:1. An electronic device having an under-screen fingerprint collection component, comprising a display screen and interior components under the display screen, the display screen comprising:a substrate; anda color-shifting layer arranged over the substrate, the color shifting layer being made of a photochromic material,wherein the color shifting layer covers at least a region of the substrate corresponding to the under-screen fingerprint collection component;the display screen is an organic light-emitting diode (OLED) display screen;the color shifting layer is arranged at a side of the substrate facing the interior components; andthe color shifting layer is transparent and colorless when not excited, and becomes reflective when excited by an ultraviolet light in sunlight, so as to avoid a dark spot at the region of the substrate corresponding to the under-screen fingerprint collection component when the mobile terminal is being used in the sunlight.2. The electronic device according to claim 1, wherein the color shifting layer is made of an organic photochromic material containing spirooxazine.3. The electronic device according to claim 1, wherein the color shifting layer is made of an organic photochromic material containing spiropyran.4. The electronic device according to claim 1, wherein the color shifting layer is disposed on the substrate by vacuum evaporation.5. The electronic device according to claim 1, whereinthe display screen further comprises a display panel;the display panel comprises a display encapsulation layer and the substrate;the substrate is arranged at a side of the display encapsulation layer facing an interior of the electronic device,the color shifting layer is arranged at a side of the substrate facing the interior of the electronic device.6. The electronic device according to claim 5, whereinthe display screen is a rigid OLED screen;the rigid OLED screen comprises a first glass substrate and a second glass substrate;the display encapsulation layer is arranged between the first glass substrate and the second glass substrate;the second glass substrate is arranged at the side of the display encapsulation layer facing the interior of the electronic device; andthe color shifting layer is provided at a side of the second glass substrate facing the interior of the electronic device.7. The electronic device according to claim 5, whereinthe display screen is a flexible OLED screen;the flexible OLED screen comprises a flexible substrate; andthe color shifting layer is arranged at a side of the flexible substrate facing the interior of the electronic device.8. The electronic device according to claim 5, whereina reflective layer is arranged at a side of the display panel facing the interior of the electronic device; andthe reflective layer and the color shifting layer have an overlapping region.
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