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Drive circuit array substrate including well taps provided in subset thereof, display device, and electronic apparatus

專利號
US11997882B2
公開日期
2024-05-28
申請人
Sony Group Corporation(JP Tokyo)
發(fā)明人
Tokihiro Yokono
IPC分類
H10K59/121
技術(shù)領(lǐng)域
drive,circuit,in,array,circuits,substrate,emitting,display,light,transistor
地域: Tokyo

摘要

A display device according to the present disclosure includes: a drive circuit array substrate including drive circuits arranged in an array pattern on a semiconductor substrate; and light emitting elements arranged in an array pattern over the drive circuits and driven by the drive circuits, in which in a drive circuit group including a plurality of the drive circuits that are adjacent to each other, a well tap is provided in a part of the drive circuits of the plurality of the drive circuits included in the drive circuit group.

說明書

Then, a second drive circuit DL_2A, having the well tap WTP and having a drive transistor configured to have a larger size, is arranged between the first drive circuits DL_1A, 1B and the third drive circuits DL_3A, 3B, as illustrated in FIG. 18B. In the example illustrated in the view, a drive circuit group denoted by a reference sign TypeA is formed.

FIGS. 19A and 19B are views for explaining a drive circuit group located above or below the drive circuit group denoted by the reference sign TypeA. In the example illustrated in FIG. 19A, the well taps WTP of the third drive circuits DL_3B, 3A in the upper and lower drive pixel groups are omitted in a state of being adjacent to each other. As illustrated in FIG. 19B, a second drive circuit DL_2B, having a well tap WTP and having a drive transistor configured to have a larger size, is arranged between the first drive circuits DL_1B, 1A and the third drive circuits DL_3B, 3A. In the example illustrated in the view, a drive circuit group denoted by a reference sign TypeB is formed.

In the first modification, the third drive circuit is not required to be shifted by a predetermined amount in the column direction with respect to the first drive circuit, as described above. A configuration is formed in which only the second drive circuit is shifted by a predetermined amount in the column direction.

[Second Modification]

In a second modification, the display device further includes a white pixel. The drive circuit group further includes a fourth drive circuit connected to a light emitting element corresponding to the white pixel.

權(quán)利要求

1
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