Display element driving apparatus and display using the same

• US 6,853,430 B2
• Filed: 02/06/2002
• Issued: 02/08/2005
• Est. Priority Date: 02/13/2001
• Status: Expired due to Term

• Current Assignee: Shenzhen Torey Microelectronic Technology Co., Ltd.
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Murahashi, Syunichi, Katsutani, Masafumi
• Primary Examiner(s): Parker, Kenneth
• Application Number:
  US10/066,632
• Publication Number:
  US 20020109814A1
• Time in Patent Office: 1,098 Days
• Field of Search: 349/149, 349/150, 349/151, 349/152
• US Class Current: 349/150
• CPC Class Codes: G02F 1/13452 Conductors connecting driver circuitry and terminals of panels
• CPC Class Codes: G02F 1/13456 Cell terminals located on one side of the display only
• CPC Class Codes: H01L 2224/16 of an individual bump connector
• CPC Class Codes: H01L 2924/01057 Lanthanum [La]
• CPC Class Codes: H01L 2924/3011 Impedance

Abstract

A liquid crystal panel includes a plurality of a data line electrode and a plurality of a scanning line electrode crossing each other and forming a pixel arranged in a matrix at the intersection of these two. A mounting package is connected to an edge of a side of a glass substrate of the liquid crystal panel. On an insulating film base of the mounting package, an LSI chip for driving the data line electrode and an LSI chip for driving the scanning line electrode are mounted. The former LSI chip is provided to be close to the liquid crystal panel compared to the latter. A set of wires connecting a group of connecting terminals to the LSI chip is fixed on the film base so as to pass under the LSI chip (mounting area) on the film base. On this account, it is possible to provide a set of wires, which is not connected to the drive LSI chip, in the shortest distance without disconnecting the same, in an arrangement in which a plurality of drive LSI chips is mounted on the liquid crystal panel etc.

Claims

1. A display element driving apparatus, comprising:

first and second integrated circuits for driving a display element having a plurality of first electrodes and a plurality of second electrodes which cross each other in a matrix manner, the first integrated circuit including a chip having an integrated first drive circuit for driving the first electrodes, and the second integrated circuit including a chip into which a second drive circuit for driving the second electrodes; and

a single mounting substrate, including connecting terminals and connecting wires which connect the connecting wires which connect the connecting terminals and the first integrated circuit, for mounting the first and second integrated circuits such that the first integrated circuit is closer to the display element than the second integrated circuit between the connecting terminals and the display element,

wherein the connecting wires are fixed in the substrate so as to pass through an mounting area of the second integrated circuit.

2. The display element driving apparatus as set forth in claim 1, wherein the mounting substrate includes output wires connecting the second integrated circuit to the display element, the output wires are provided so as to pass by both sides of the first integrated circuit from both ends of the second integrated circuit, and the connecting wires are provided to pass an area between the both ends of the second integrated circuit.

3. The display element driving apparatus as set forth in claim 1, wherein the second integrated circuit includes connecting electrodes providing an external electrical connection and located in an area of a mounting face for the second integrated circuit other than areas where the connecting wires pass through.

4. The display element driving apparatus as set forth in claim 3, wherein the connecting electrodes are provided on the both sides of the second integrated circuit.

5. The display element driving apparatus as set forth in claim 2, wherein the second integrated circuit includes connecting electrodes providing an external electrical connection and located in an area of a mounting face for the second integrated circuit other than areas where the connecting wires pass through.

6. The display element driving apparatus as set forth in claim 5, wherein the connecting electrodes are provided on the both sides of the second integrated circuit.

7. The display element driving apparatus as set forth in claim 3, wherein the second integrated circuit includes non-conductive protrusions, provided on the passing area of the connecting wires, which are substantially flush with the connecting electrodes.

8. The display element driving apparatus as set forth in claim 3, wherein the mounting substrate includes non-conductive protrusions, provided on the passing area of the connecting wires, which are substantially flush with the connecting electrodes.

9. The display element driving apparatus as set forth in claim 1, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

10. The display element driving apparatus as set forth in claim 2, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

11. The display element driving apparatus as set forth in claim 3, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

12. The display element driving apparatus as set forth in claim 5, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

13. The display element driving apparatus as set forth in claim 7, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

14. The display element driving apparatus as set forth in claim 8, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

15. The display element driving apparatus as set forth in claim 1, wherein the first electrode is a data line electrode via which a data signal is transmitted, and the second electrode is a scanning line electrode via which a scanning signal for selecting the second electrode is transmitted.

16. A display, comprising;

a display element including a plurality of first electrodes and a plurality of second electrodes crossing each other in a matrix manner; and

a display element driving apparatus including;

first and second integrated circuits for driving the display element having a plurality of first electrodes and a plurality of second electrodes which cross each other in a matrix manner, the first integrated circuit including a chip having an integrated first drive circuit for driving the first electrodes, and the second integrated circuit including a chip having an integrated second drive circuit for driving the second electrodes; and

a single mounting substrate, including connecting terminals and connecting wires which connect the connecting wires which connect the connecting terminals and the first integrated circuit, for mounting the first and second integrated circuits such that the first integrated circuit is closer to the display element than the second integrated circuit between the connecting terminals and the display element,

wherein the connecting wires are fixed in the substrate so as to pass through a mounting area of the second integrated circuit.

17. The display as set forth in claim 16, wherein:

the mounting substrate includes output wires connecting the second integrated circuit to the display element;

the output wires are provided to pass by both sides of the first integrated circuit from both ends of the second integrated circuit; and

the connecting wires are provided to pass an area between the both sides of the second integrated circuit.

18. The display as set forth in claim 16, wherein the second integrated circuit includes connecting electrodes providing an external electrical connection and located in an area of a mounting face for the second integrated circuit other than areas where the connecting wires pass through.

19. The display as set forth in claim 18, wherein the connecting electrodes are provided on the both ends of the second integrated circuit.

20. The display as set forth in claim 17, wherein the second integrated circuit includes connecting electrodes providing an external electrical connection and located in an area of a mounting face for the second integrated circuit other than areas where the connecting wires pass through.

21. The display as set forth in claim 20, wherein the connecting electrodes are provided on the both ends of the second integrated circuit.

22. The display as set forth in claim 18, wherein the second integrated circuit includes non-conductive protrusions, provided on the passing area of the connecting wires, which are substantially flush with the connecting electrodes.

23. The display as set forth in claim 18, wherein the mounting substrate includes non-conductive protrusions, provided on the passing area of the connecting wires, which are substantially flush with the connecting electrodes.

24. The display as set forth in claim 16, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

25. The display as set forth in claim 17, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

26. The display as set forth in claim 18, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

27. The display as set forth in claim 20, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

28. The display as set forth in claim 22, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

29. The display as set forth in claim 23, wherein the second integrated circuit includes a processing circuit for giving a predetermined of treatment to at least one signal among signals passing through the connecting wires.

30. The display as set forth in claim 16, wherein the first electrode is a data line electrode via which a data signal is transmitted, and the second electrode is a scanning line electrode via which a scanning signal for selecting the second electrode is transmitted.