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Display panel and manufacturing method thereof, alignment method

專利號(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
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)

  • Step S4: forming a plurality of cover plate alignment marks 14 on the base substrate 11, the plurality of cover plate alignment marks 14 are configured for aligning the display substrate including the pixel defining layer PDL, the light emitting elements 12, the encapsulation layer EPL, and the cover plate alignment marks 14 with the cover plate 30; the display panel includes a display region and a frame region located at a periphery of the display region. The frame region includes a dam glue 50 and an annular cutting region located on a side of the dam glue 50 away from the display region. An orthographic projection of at least one of the plurality of cover plate alignment marks 14 on the base substrate 11 is located between an orthographic projection of the dam glue on the base substrate 11 and display region, and the at least one of the plurality of cover plate alignment marks 14 is overlapped with the second inorganic encapsulation layer EPL2 in a direction perpendicular to the base substrate 11, and/or an orthographic projection of at least one of the plurality of cover plate alignment marks 14 on the base substrate 11 is located between the orthographic projection of the dam glue 50 on the base substrate 11 and cutting region.
  • Step S5: forming an optical adhesive layer 20 on a side of the plurality of cover plate alignment marks 14 away from the base substrate 11.
  • 權(quán)利要求

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