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Display panel and display device including partition wall

專利號(hào)
US11805674B2
公開日期
2023-10-31
申請(qǐng)人
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.（JP Atsugi）
發(fā)明人
Daiki Nakamura; Nozomu Sugisawa
IPC分類
H10K50/85; H10K50/86; H10K50/84; H10K59/00; H10K59/12; H01L33/44; H05B33/22; G09F9/30; H10K50/856; H10K50/828; H10K50/844; H10K59/90; H10K50/818; H10K59/123
技術(shù)領(lǐng)域
display,layer,insulating,light,electrode,region,in,panel,emitting,visible
地域： Atsugi

摘要

A display device including display regions with inconspicuous seam is provided. The display device includes a first display panel and a second display panel. The first display panel includes a first display region and a visible-light-transmitting region. The second display panel includes a second display region. The first display region is adjacent to the visible-light-transmitting region. The first display region includes a first light-emitting element and a second light-emitting element. A first common electrode included in the first light-emitting element includes a portion in contact with a second common electrode included in the second light-emitting element. The first common electrode has a function of reflecting visible light. The second common electrode has a function of transmitting visible light. The second light-emitting element is positioned closer to the visible-light-transmitting region than the first light-emitting element. The second display region includes a portion overlapping with the second light-emitting element and a portion overlapping with the visible-light-transmitting region.

說明書

CROSS REFERENCE TO RELATED APPLICATIONS

This application is a divisional of U.S. application Ser. No. 16/637,801, filed Feb. 10, 2020, now allowed, which is a U.S. National Phase Application under 35 U.S.C. § 371 of International Application PCT/IB2018/055989, filed on Aug. 9, 2018, which is incorporated by reference, and which claims the benefit of a foreign priority application filed in Japan on Aug. 25, 2017, as Application No. 2017-162045.

TECHNICAL FIELD

One embodiment of the present invention relates to a display panel, a display device, an electronic device, and a manufacturing method thereof.

Note that one embodiment of the present invention is not limited to the above technical field. Examples of the technical field of one embodiment of the present invention include a semiconductor device, a display device, a light-emitting device, an electronic device, a lighting device, an input device (e.g., a touch sensor), an input-output device (e.g., a touch panel), a driving method thereof, and a manufacturing method thereof.

BACKGROUND ART

In recent years, larger display devices have been required. Examples of uses for a large display device include a television device for home use (also referred to as a TV or a television receiver), digital signage, and a PID (Public Information Display). A larger display region of a display device can provide more information at a time. In addition, a larger display region attracts more attention, so that the effectiveness of the advertisement is expected to be increased, for example.

權(quán)利要求

1
The invention claimed is:1. A display panel comprising:a display region; anda visible-light-transmitting region,wherein the display region is adjacent to the visible-light-transmitting region,wherein the display region comprises an insulating layer, a partition wall, and a light-emitting element,wherein the light-emitting element comprises a pixel electrode and a common electrode,wherein the insulating layer comprises an opening,wherein the insulating layer covers an end portion of the pixel electrode,wherein the common electrode overlaps with the pixel electrode with the opening therebetween,wherein the partition wall is positioned over the insulating layer,wherein the partition wall is positioned between the light-emitting element and the visible-light-transmitting region,wherein the partition wall is provided along the visible-light-transmitting region, andwherein a level of a top surface of the partition wall is higher than a level of a top surface of a portion of the common electrode that overlaps with the opening.2. The display panel according to claim 1,wherein the visible-light-transmitting region and the partition wall are provided along two consecutive sides of the display region.3. The display panel according to claim 1, further comprising a protective layer over the light-emitting element.4. A display device comprising:a first display panel; anda second display panel,wherein the first display panel comprises a first display region and a visible-light-transmitting region,wherein the second display panel comprises a second display region,wherein the first display region is adjacent to the visible-light-transmitting region,wherein the first display region comprises an insulating layer, a partition wall, and a light-emitting element,wherein the light-emitting element comprises a pixel electrode and a common electrode,wherein the insulating layer comprises an opening,wherein the insulating layer covers an end portion of the pixel electrode,wherein the common electrode overlaps with the pixel electrode with the opening therebetween,wherein the partition wall is positioned over the insulating layer,wherein the partition wall is positioned between the light-emitting element and the visible-light-transmitting region,wherein the partition wall is provided along the visible-light-transmitting region,wherein a level of a top surface of the partition wall is higher than a level of a top surface of a portion of the common electrode that overlaps with the opening, andwherein the second display region comprises a portion overlapping with the visible-light-transmitting region.5. The display device according to claim 4,wherein the visible-light-transmitting region and the partition wall are provided along two consecutive sides of the first display region.6. The display device according to claim 4, further comprising a protective layer over the light-emitting element.
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