Liquid crystal display apparatus having wire-on-array structure

• US 9,589,521 B2
• Filed: 12/03/2014
• Issued: 03/07/2017
• Est. Priority Date: 11/20/2014
• Status: Active Grant

• Current Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd. (TCL Technology Group Corp.)
• Original Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd. (TCL Technology Group Corp.)
• Inventors: Huang, Shishuai
• Primary Examiner(s): Leiby, Christopher E
• Application Number:
  US14/415,997
• Publication Number:
  US 20160148588A1
• Time in Patent Office: 825 Days
• US Class Current: 1/1
• CPC Class Codes: G02F 1/133514 Colour filters
• CPC Class Codes: G02F 1/13452 Conductors connecting driver circuitry and terminals of panels
• CPC Class Codes: G02F 1/13454 Drivers integrated on the active matrix substrate G02F1/136277 takes precedence
• CPC Class Codes: G02F 1/1368 in which the switching element is a three-electrode device G02F1/136277 takes precedence
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2310/0281 Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure
• CPC Class Codes: G09G 3/3648 using an active matrix G09G3/367 - G09G3/3696 take precedence

Abstract

A liquid crystal display apparatus having a wire-on-array structure is disclosed. The liquid crystal display apparatus has a plurality of driving IC units, a plurality of first conductive-wire sets and second conductive-wire sets. The driving IC units are arranged at intervals in a peripheral circuit area around the active area of the liquid crystal display apparatus. The first conductive-wire sets and the second conductive-wire sets are connected alternately between every two of the plurality of driving IC units. Each first conductive-wire set has a conducting structure for connecting to a common electrode. The arrangement of the first conductive-wire sets and the second conductive-wire sets facilitates achievement of thin bezel design.

Claims

1. A liquid crystal display apparatus comprising:

an active area;

a peripheral circuit area surrounding the active area;

a plurality of driving IC units being arranged at intervals at at least one side of the peripheral circuit area; and

a plurality of first conductive-wire sets and second conductive-wire sets being connected alternately between every two of the driving IC units, wherein each of the first conductive-wire sets is provided with a conducting structure for connecting to a common electrode;

wherein each of the first conductive-wire sets and the second conductive-wire sets includes an A-type conductive wire, a B-type conductive wire and a C-type conducting wire;

wherein the A-type conductive is used to transmit a reference voltage to the common electrode;

the B-type conductive wire is used to transmit a switching voltage from the driving IC units;

the C-type conductive wire is used to transmit a timing signal from the corresponding driving IC unit;

a ratio of the width of the A-type conductive wire of the first conductive-wire set to the width of the A-type conductive wire of the second conductive-wire set is 3/2;

a ratio of the width of the B-type conductive wire of the first conductive-wire set to the width of the B-type conductive wire of the second conductive-wire set is 1;

a ratio of the width of the C-type conductive wire of the first conductive-wire set to the width of the C-type conductive wire of the second conductive-wire set is 2/3.

2. The liquid crystal display apparatus as claimed in claim 1, wherein the liquid crystal display apparatus further includes a thin-film transistor array substrate and a color-filter substrate which are mounted opposite to each other;

the driving IC unit is mounted on thin-film transistor array substrate; and

the common electrode is mounted on the color-filter substrate.

3. The liquid crystal display apparatus as claimed in claim 2, wherein the thin-film transistor array substrate is provided with a plurality of scanning lines and data lines and a plurality of thin-film transistors arranged in an array, wherein each of the thin-film transistors is connected to a pixel electrode, and the pixel electrode forms a storage capacitor with a corresponding common line and forms a liquid crystal capacitor with the common electrode mounted on the color-filter substrate.

4. The liquid crystal display apparatus as claimed in claim 2, wherein the conducting structure is electrically-conductive adhesive.

5. A liquid crystal display apparatus comprising:

an active area;

a peripheral circuit area surrounding the active area;

a plurality of driving IC units being arranged at intervals at at least one side of the peripheral circuit area; and

a plurality of first conductive-wire sets and second conductive-wire sets being connected alternately between every two of the driving IC units, wherein each of the first conductive-wire sets is provided with a conducting structure for connecting to a common electrode;

wherein each of the first conductive-wire sets and the second conductive-wire sets includes an A-type conductive wire, a B-type conductive wire and a C-type conducting wire;

a ratio of the width of the A-type conductive wire of the first conductive-wire set to the width of the A-type conductive wire of the second conductive-wire set is ranged from 1 to 2;

a ratio of the width of the B-type conductive wire of the first conductive-wire set to the width of the B-type conductive wire of the second conductive-wire set is ranged from 0.25 to 1;

a ratio of the width of the C-type conductive wire of the first conductive-wire set to the width of the C-type conductive wire of the second conductive-wire set is ranged from 0.25 to 1;

wherein the ratio of the width of the A-type conductive wire of the first conductive-wire set to the width of the A-type conductive wire of the second conductive-wire set is 2;

the ratio of the width of the B-type conductive wire of the first conductive-wire set to the width of the B-type conductive wire of the second conductive-wire set is 0.25;

the ratio of the width of the C-type conductive wire of the first conductive-wire set to the width of the C-type conductive wire of the second conductive-wire set is 0.25.

6. The liquid crystal display apparatus as claimed in claim 5, wherein the liquid crystal display apparatus further includes a thin-film transistor array substrate and a color-filter substrate which are mounted opposite to each other;

the driving IC unit is mounted on thin-film transistor array substrate; and

the common electrode is mounted on the color-filter substrate.

7. The liquid crystal display apparatus as claimed in claim 5, wherein the A-type conductive is used to transmit a reference voltage to the common electrode;

the B-type conductive wire is used to transmit a switching voltage from the driving IC units;

the C-type conductive wire is used to transmit a timing signal from the corresponding driving IC unit.

8. The liquid crystal display apparatus as claimed in claim 6, wherein thin-film transistor array substrate is provided with a plurality of scanning lines and data lines and a plurality of thin-film transistors arranged in an array, wherein each of the thin-film transistors is connected to a pixel electrode, and the pixel electrode forms a storage capacitor with a corresponding common line and forms a liquid crystal capacitor with the common electrode mounted on the color-filter substrate.

9. The liquid crystal display apparatus as claimed in claim 6, wherein the conducting structure is electrically-conductive adhesive.