IP Library › Granted Patent US 12,499,795
Granted Patent B2
US 12,499,795 · App. 18/605,817 · Granted Dec 16, 2025

Display apparatus and electronic apparatus including the same

Inventors: Seung-Jun Lee (Yongin-si, KR); Tae-Ho Kim (Yongin-si, KR); Yongsu Lee (Yongin-si, KR); Jaewoo Lee (Yongin-si, KR); Seung-Hwan Cho (Yongin-si, KR)
Assignee: Samsung Display Co., Ltd.
G09G3/035H10D86/441H10D86/60G09G2310/027G09G2310/0291G09G2310/0297
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Quick Facts
Patent No.
US 12,499,795
App. No.
18/605,817
Granted
Dec 16, 2025
Kind
B2
Abstract

A display apparatus is disclosed that includes a data driver, a demux circuit, a first wiring mixing structure, a second wiring mixing structure, a display panel and a bending area. The data driver includes first to fourth output amplifiers. The demux circuit is configured to branch the first to fourth output amplifiers to first to eighth output lines through demux switching. The first wiring mixing structure is connected to the demux circuit. The second wiring mixing structure is connected to the first wiring mixing structure. The display panel includes data lines connected to the second wiring mixing structure. The bending area is disposed between the display panel and the data driver. The demux circuit is disposed between an integrated circuit area of the data driver and the bending area. The bending area includes a bending line for folding elements toward a rear surface of the display panel. The display panel is disposed on a first side of the bending line and the demux circuit and the integrated circuit area are disposed on a second side of the bending line.

Claims (150)

1 . A display apparatus comprising:

a data driver including first to fourth output amplifiers;

a demux circuit configured to branch the first to fourth output amplifiers to first to eighth output lines through demux switching;

a first wiring mixing structure connected to the demux circuit;

a second wiring mixing structure connected to the first wiring mixing structure;

a display panel including data lines connected to the second wiring mixing structure; and

a bending area disposed between the display panel and the data driver,

wherein the demux circuit is disposed between an integrated circuit area of the data driver and the bending area,

wherein the bending area includes a bending line for folding elements toward a rear surface of the display panel,

wherein the display panel is disposed on a first side of the bending line and the demux circuit and the integrated circuit area are disposed on a second side of the bending line, and

wherein the first wiring mixing structure and the second wiring mixing structure are serially connected between the demux circuit and the display panel.

2 . The display apparatus of claim 1 , wherein, when a first order of first output data generated by alternately demuxing the first to fourth output amplifiers is 1, 2, 3, 4, 5, 6, 7 and 8, a final order of final output data outputted by the second wiring mixing structure is 1, 4, 2, 3, 5, 8, 6 and 7.

3 . The display apparatus of claim 2 , wherein some of output data of the data driver are normal data directly applied to data lines of the display panel, and

wherein some of the output data of the data driver are border reduction data applied to data lines of the display panel through border reduction horizontal lines.

4 . The display apparatus of claim 3 , wherein, when the first order of the first output data generated by alternately demuxing the first to fourth output amplifiers is 1, 2, 3, 4, 5, 6, 7 and 8, the first output data having a number one order, a number two order, a number five order and a number six order are the normal data and the first output data having a number three order, a number four order, a number seven order and a number eight order are the border reduction data.

5 . The display apparatus of claim 2 , wherein the first, the fourth, the fifth and the eighth output lines of the demux circuit are activated by a first switching signal, and

wherein the second, the third, the sixth and the seventh output lines of the demux circuit are activated by a second switching signal.

6 . The display apparatus of claim 5 , wherein, when the first order of the first output data generated by alternately demuxing the first to fourth output amplifiers is 1, 2, 3, 4, 5, 6, 7 and 8, a second order of second output data of the demux circuit is 1, 2, 4, 3, 5, 6, 8 and 7.

7 . The display apparatus of claim 6 , wherein, when the second order which is an order of prior data of the first wiring mixing structure is 1, 2, 4, 3, 5, 6, 8 and 7, a third order which is an order of after data of the first wiring mixing structure is 1, 3, 2, 4, 6, 8, 5 and 7.

8 . The display apparatus of claim 7 , wherein, when the third order which is an order of prior data of the second wiring mixing structure is 1, 3, 2, 4, 6, 8, 5 and 7, the final order which is an order of after data of the second wiring mixing structure is 1, 4, 2, 3, 5, 8, 6 and 7.

9 . The display apparatus of claim 1 , wherein input terminals of the first wiring mixing structure include first to eighth A pads and output terminals of the first

wiring mixing structure include first to eighth B pads,

wherein the first A pad is connected to the first B pad,

wherein the second A pad is connected to the third B pad,

wherein the third A pad is connected to the fourth B pad,

wherein the fourth A pad is connected to the second B pad,

wherein the fifth A pad is connected to the seventh B pad,

wherein the sixth A pad is connected to the fifth B pad,

wherein the seventh A pad is connected to the sixth B pad, and

wherein the eighth A pad is connected to the eighth B pad.

10 . The display apparatus of claim 1 , wherein input terminals of the second wiring mixing structure include first to eighth B pads and output terminals of the second wiring mixing structure include first to eighth C pads,

wherein the first B pad is connected to the first C pad,

wherein the second B pad is connected to the fourth C pad,

wherein the third B pad is connected to the third C pad,

wherein the fourth B pad is connected to the second C pad,

wherein the fifth B pad is connected to the seventh C pad,

wherein the sixth B pad is connected to the sixth C pad,

wherein the seventh B pad is connected to the fifth C pad, and

wherein the eighth B pad is connected to the eighth C pad.

11 . The display apparatus of claim 1 , wherein input terminals of the first wiring mixing structure include first to eighth A pads and output terminals of the first wiring mixing structure include first to eighth B pads,

wherein input terminals of the second wiring mixing structure include the first to eighth B pads and output terminals of the second wiring mixing structure include first to eighth C pads,

wherein the first A pad is connected to the first B pad,

wherein the second A pad is connected to the third B pad,

wherein the third A pad is connected to the fourth B pad,

wherein the fourth A pad is connected to the second B pad,

wherein the fifth A pad is connected to the seventh B pad,

wherein the sixth A pad is connected to the fifth B pad,

wherein the seventh A pad is connected to the sixth B pad,

wherein the eighth A pad is connected to the eighth B pad,

wherein the first B pad is connected to the first C pad,

wherein the second B pad is connected to the fourth C pad,

wherein the third B pad is connected to the third C pad,

wherein the fourth B pad is connected to the second C pad,

wherein the fifth B pad is connected to the seventh C pad,

wherein the sixth B pad is connected to the sixth C pad,

wherein the seventh B pad is connected to the fifth C pad, and

wherein the eighth B pad is connected to the eighth C pad.

12 . The display apparatus of claim 2 , wherein the first, the fourth, the fifth, the eighth, a ninth, a twelfth, a thirteenth and a sixteenth output lines of the demux circuit are activated by a first switching signal, and

wherein the second, the third, the sixth, the seventh, a tenth, an eleventh, a fourteenth and a fifteenth output lines of the demux circuit are activated by a second switching signal.

13 . The display apparatus of claim 12 , wherein the data driver further comprises fifth to eighth output amplifiers,

wherein, when the first order of first output data generated by alternately demuxing the first to eighth output amplifiers is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 and 16, a second order of second output data of the demux circuit is 1, 2, 4, 3, 5, 6, 8, 7, 9, 10, 12, 11, 13, 14, 16 and 15.

14 . The display apparatus of claim 13 , wherein, when the second order which is an order of prior data of the first wiring mixing structure is 1, 2, 4, 3, 5, 6, 8, 7, 9, 10, 12, 11, 13, 14, 16 and 15, a third order which is an order of after data of the first wiring mixing structure is 1, 3, 5, 7, 2, 4, 6, 8, 10, 12, 14, 16, 9, 11, 13 and 15.

15 . The display apparatus of claim 14 , wherein, when the third order which is an order of prior data of the second wiring mixing structure is 1, 3, 5, 7, 2, 4, 6, 8, 10, 12, 14, 16, 9, 11, 13 and 15, the final order which is an order of after data of the second wiring mixing structure is 1, 4, 2, 3, 5, 8, 6, 7, 9, 12, 10, 11, 13, 16, 14 and 15.

16 . The display apparatus of claim 1 , wherein input terminals of the first wiring mixing structure include first to sixteenth A pads and output terminals of the first wiring mixing structure include first to sixteenth B pads,

wherein the first A pad is connected to the first B pad,

wherein the second A pad is connected to the fifth B pad,

wherein the third A pad is connected to the sixth B pad,

wherein the fourth A pad is connected to the second B pad,

wherein the fifth A pad is connected to the third B pad,

wherein the sixth A pad is connected to the seventh B pad,

wherein the seventh A pad is connected to the eighth B pad,

wherein the eighth A pad is connected to the fourth B pad,

wherein the ninth A pad is connected to the thirteenth B pad,

wherein the tenth A pad is connected to the ninth B pad,

wherein the eleventh A pad is connected to the tenth B pad,

wherein the twelfth A pad is connected to the fourteenth B pad,

wherein the thirteenth A pad is connected to the fifteenth B pad,

wherein the fourteenth A pad is connected to the eleventh B pad,

wherein the fifteenth A pad is connected to the twelfth B pad, and

wherein the sixteenth A pad is connected to the sixteenth B pad.

17 . The display apparatus of claim 1 , wherein input terminals of the second wiring mixing structure include first to sixteenth B pads and output terminals of the second wiring mixing structure include first to sixteenth C pads,

wherein the first B pad is connected to the first C pad,

wherein the second B pad is connected to the fourth C pad,

wherein the third B pad is connected to the fifth C pad,

wherein the fourth B pad is connected to the eighth C pad,

wherein the fifth B pad is connected to the third C pad,

wherein the sixth B pad is connected to the second C pad,

wherein the seventh B pad is connected to the seventh C pad,

wherein the eighth B pad is connected to the sixth C pad,

wherein the ninth B pad is connected to the eleventh C pad,

wherein the tenth B pad is connected to the tenth C pad,

wherein the eleventh B pad is connected to the fifteenth C pad,

wherein the twelfth B pad is connected to the fourteenth C pad,

wherein the thirteenth B pad is connected to the ninth C pad,

wherein the fourteenth B pad is connected to the twelfth C pad,

wherein the fifteenth B pad is connected to the thirteenth C pad, and

wherein the sixteenth B pad is connected to the sixteenth C pad.

18 . The display apparatus of claim 1 , wherein input terminals of the first wiring mixing structure include first to sixteenth A pads and output terminals of the first wiring mixing structure include first to sixteenth B pads,

wherein input terminals of the second wiring mixing structure include the first to sixteenth B pads and output terminals of the second wiring mixing structure include first to sixteenth C pads,

wherein the first A pad is connected to the first B pad,

wherein the second A pad is connected to the fifth B pad,

wherein the third A pad is connected to the sixth B pad,

wherein the fourth A pad is connected to the second B pad,

wherein the fifth A pad is connected to the third B pad,

wherein the sixth A pad is connected to the seventh B pad,

wherein the seventh A pad is connected to the eighth B pad,

wherein the eighth A pad is connected to the fourth B pad,

wherein the ninth A pad is connected to the thirteenth B pad,

wherein the tenth A pad is connected to the ninth B pad,

wherein the eleventh A pad is connected to the tenth B pad,

wherein the twelfth A pad is connected to the fourteenth B pad,

wherein the thirteenth A pad is connected to the fifteenth B pad,

wherein the fourteenth A pad is connected to the eleventh B pad,

wherein the fifteenth A pad is connected to the twelfth B pad,

wherein the sixteenth A pad is connected to the sixteenth B pad,

wherein the first B pad is connected to the first C pad,

wherein the second B pad is connected to the fourth C pad,

wherein the third B pad is connected to the fifth C pad,

wherein the fourth B pad is connected to the eighth C pad,

wherein the fifth B pad is connected to the third C pad,

wherein the sixth B pad is connected to the second C pad,

wherein the seventh B pad is connected to the seventh C pad,

wherein the eighth B pad is connected to the sixth C pad,

wherein the ninth B pad is connected to the eleventh C pad,

wherein the tenth B pad is connected to the tenth C pad,

wherein the eleventh B pad is connected to the fifteenth C pad,

wherein the twelfth B pad is connected to the fourteenth C pad,

wherein the thirteenth B pad is connected to the ninth C pad,

wherein the fourteenth B pad is connected to the twelfth C pad,

wherein the fifteenth B pad is connected to the thirteenth C pad, and

wherein the sixteenth B pad is connected to the sixteenth C pad.

19 . A display apparatus comprising:

a data driver including first to fourth output amplifiers;

a demux circuit configured to branch the first to fourth output amplifiers to first to eighth output lines through demux switching;

a first wiring mixing structure connected to the demux circuit;

a second wiring mixing structure connected to the first wiring mixing structure; and

a display panel including data lines connected to the second wiring mixing structure

wherein, when a first order of first output data generated by alternately demuxing the first to fourth output amplifiers is 1, 2, 3, 4, 5, 6, 7 and 8, a final order of final output data outputted by the second wiring mixing structure is 1, 4, 2, 3, 5, 8, 6 and 7, and

wherein the first wiring mixing structure and the second wiring mixing structure are serially connected between the demux circuit and the display panel.

20 . An electronic apparatus comprising:

a data driver including first to fourth output amplifiers;

a demux circuit configured to branch the first to fourth output amplifiers to first to eighth output lines through demux switching;

a first wiring mixing structure connected to the demux circuit;

a second wiring mixing structure connected to the first wiring mixing structure;

a display panel including data lines connected to the second wiring mixing structure;

a bending area disposed between the display panel and the data driver,

wherein the demux circuit is disposed between an integrated circuit area of the data driver and the bending area,

wherein the bending area includes a bending line for folding elements toward a rear surface of the display panel, and

wherein the display panel is disposed on a first side of the bending line and the demux circuit and the integrated circuit area are disposed on a second side of the bending line, and

wherein the first wiring mixing structure and the second wiring mixing structure are serially connected between the demux circuit and the display panel.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 14, 2024
From: LEE, SEUNG-JUN; KIM, TAE-HO; LEE, YONGSU; LEE, JAEWOO; CHO, SEUNG-HWAN
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 066780/0199 →
Priority Claims (1)
KR 10-2023-0037351 · Mar 22, 2023 · national
Continuity (1)
Related Publication 20240321160A1 · Sep 26, 2024
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