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Display panel and manufacturing method thereof, alignment method

專利號(hào)
US12178085B2
公開日期
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
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.

說明書

It should be noted that multiple components being disposed in the same layer and made of the same material refers to that the multiple components are formed by the same thin film in the same patterning process; in addition, the multiple components may be located on the same layer side by side, or there is a height difference between the multiple components (that is, the distances from the multiple components to the base substrate 11 are different), or at least one of the multiple components has a convex portion or a recessed portion.

In at least one embodiment of the present disclosure, for example, the width of the second frame region is larger than the width of the first frame region, that is, the size of the second frame region along the first direction X is larger than the size of the first frame region along the first direction X, which makes the distribution of electrode layer extending portion 17 in the second frame region sparser than that in the first frame region, so the cover plate alignment marks 14 in the second frame region can be located in a flat region outside the region where the electrode layer extending portion(s) 17 is located. For example, as illustrated in FIG. 1E and FIG. 1F, the cover plate alignment marks in the second frame region are not overlapped with the electrode layer extending portion 17.

權(quán)利要求

1
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