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Display panel and manufacturing method thereof, alignment method

專(zhuān)利號(hào)
US12178085B2
公開(kāi)日期
2024-12-24
申請(qǐng)人
Chengdu BOE Optoelectronics Technology Co., Ltd.; BOE TECHNOLOGY GROUP CO., LTD.(CN Beijing CN Sichuan)
發(fā)明人
Bo Cheng; Xiangdan Dong; Jun Yan; Fan He; Qi Liu; Hongwei Ma
IPC分類(lèi)
H10K59/122; H10K50/844; H10K59/12; H10K71/00; H10K77/10
技術(shù)領(lǐng)域
layer,alignment,substrate,dam,marks,plate,cover,region,display,epl2
地域: Chengdu

摘要

A display panel includes a display substrate and a cover plate connected through an optical adhesive layer. The display substrate includes a plurality of light emitting elements, a pixel defining layer, and an encapsulation layer; the encapsulation layer includes a first inorganic encapsulation layer, a first organic encapsulation layer, and a second inorganic encapsulation layer; the display panel includes a display region and a frame region including a cutting region and a dam glue region where a dam glue is located; at least one of a plurality of cover plate alignment marks is between the dam glue and the display region and is overlapped with the second inorganic encapsulation layer, and at least one of the plurality of cover plate alignment marks is between the dam glue and the cutting region.

說(shuō)明書(shū)

For example, before forming the passivation insulating layer PVX, the manufacturing method of the display panel further comprises: sequentially forming a buffer layer BF, an active layer 191, a first gate electrode insulating layer GIL1 covering the active layer 191, a gate electrode 192 located on a side of the first gate electrode insulating layer GIL1 away from the base substrate 11, a second gate electrode insulating layer GIL2 covering the gate electrode 192, a first intermediate insulating layer IIL1 covering the second gate electrode insulating layer GIL2, and a first source/drain electrode layer 1710 located on a side of the first intermediate insulating layer IIL1 away from the base substrate 11. The first source/drain electrode layer 1710 includes a source electrode 193 and a drain electrode 194 electrically connected to the active layer 191, for example, the source electrode 193 and the drain electrode 194 extend through through-holes in the first intermediate insulating layer TILL the second gate electrode insulating layer GIL2, and the first gate electrode insulating layer GIL1 to be electrically connected with the active layer 191.

Upon the structures of the display panel in the embodiments of the present disclosure changing, the above steps of the manufacturing method are adjusted accordingly.

At least one embodiment of the present disclosure further provides an alignment method, which can be used for alignment in the manufacturing process of the display panel as provided in any one of the embodiments shown in FIG. 1A to FIG. 3B.

權(quán)利要求

1
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