# US 2010/0164852 A1 · Liquid crystal display device

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- Number: US 2010/0164852 A1
- Document ID: US20100164852A1
- Status: Published application
- Kind: A1
- Application number: 12/628,942
- Filed: 2009-12-01
- Published: 2010-07-01
- Earliest claimed: 2008-12-29
- Assignees: LG Display Co., Ltd.
- Inventors: Young-Ho KIM; Sung-Jo Koo
- Web page: https://patentgrep.com/patent/US20100164852A1

## CPC

- G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters}
- G09G 3/3611: {Control of matrices with row and column drivers}
- G09G 3/3688: {suitable for active matrices only}
- G09G 2340/0492: Change of orientation of the displayed image, e.g. upside-down, mirrored
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)

## Abstract

Disclosed herein is a liquid crystal display device in which an image can be correctly seen even though a screen is rotated. The liquid crystal display device includes a storage unit for storing a plurality of screen change signals, and a timing controller for dividing image data of one horizontal line externally supplied thereto into k odd sub-image data and k even sub-image data, and sequentially outputting the k odd sub-image data and sequentially outputting the k even sub-image data.

## Claims

### Claim 1

A liquid crystal display device comprising:
a storage unit for storing a plurality of screen change signals; and
a timing controller for dividing image data of one horizontal line externally supplied thereto into k odd sub-image data and k even sub-image data, and sequentially outputting the k odd sub-image data and sequentially outputting the k even sub-image data,
wherein the timing controller changes output positions of the image data of the one horizontal line in at least one of a first mode of, in response to a selected one of the screen change signals stored in the storage unit, changing output positions of image data included in at least one of the odd sub-image data and changing output positions of image data included in at least one of the even sub-image data and a second mode of changing output positions of the k odd sub-image data and k even sub-image data in response to a selected different one of the screen change signals stored in the storage unit.

### Claim 2 (depends on 1)

The liquid crystal display device according to claim 1, further comprising a data driver comprising k odd latches for sequentially receiving the k odd sub-image data from the timing controller and sequentially latching the received k odd sub-image data, and k even latches for sequentially receiving the k even sub-image data from the timing controller and sequentially latching the received k even sub-image data,
wherein the data driver changes a latch order of the odd latches and a latch order of the even latches in response to the selected one of the screen change signals stored in the storage unit when the timing controller changes the output positions of the image data of the one horizontal line in the first mode.

### Claim 3 (depends on 2)

The liquid crystal display device according to claim 2, further comprising a line memory for storing the image data of the one horizontal line externally supplied to the timing controller so that the timing controller can change the output positions of the image data of the one horizontal line in any one mode including the second mode.

### Claim 4 (depends on 3)

The liquid crystal display device according to claim 3, wherein each of the k odd and even sub-image data includes first red image data, first green image data, first blue image data, first red/green/blue image data, second red image data, second green image data, second blue image data, and second red/green/blue image data,
wherein the first red/green/blue image data includes a most significant bit of the first red image data, a most significant bit of the first green image data, and a most significant bit of the first blue image data,
wherein the second red/green/blue image data includes a most significant bit of the second red image data, a most significant bit of the second green image data, and a most significant bit of the second blue image data.

### Claim 5 (depends on 4)

The liquid crystal display device according to claim 4, wherein, in the first mode, the timing controller outputs the first blue image data in the odd sub-image data through a first odd output pin, outputs the first green image data in the odd sub-image data through a second odd output pin, outputs the first red image data in the odd sub-image data through a third odd output pin, outputs the first red/green/blue image data in the odd sub-image data through a fourth odd output pin, outputs the second blue image data in the odd sub-image data through a fifth odd output pin, outputs the second green image data in the odd sub-image data through a sixth odd output pin, outputs the second red image data in the odd sub-image data through a seventh odd output pin, outputs the second red/green/blue image data in the odd sub-image data through an eighth odd output pin, outputs the first blue image data in the even sub-image data through a first even output pin, outputs the first green image data in the even sub-image data through a second even output pin, outputs the first red image data in the even sub-image data through a third even output pin, outputs the first red/green/blue image data in the even sub-image data through a fourth even output pin, outputs the second blue image data in the even sub-image data through a fifth even output pin, outputs the second green image data in the even sub-image data through a sixth even output pin, outputs the second red image data in the even sub-image data through a seventh even output pin, and outputs the second red/green/blue image data in the even sub-image data through an eighth even output pin.

### Claim 6 (depends on 4)

The liquid crystal display device according to claim 4, wherein, in the first mode, the timing controller outputs the second blue image data in the odd sub-image data through a first odd output pin, outputs the second green image data in the odd sub-image data through a second odd output pin, outputs the second red image data in the odd sub-image data through a third odd output pin, outputs the second red/green/blue image data in the odd sub-image data through a fourth odd output pin, outputs the first blue image data in the odd sub-image data through a fifth odd output pin, outputs the first green image data in the odd sub-image data through a sixth odd output pin, outputs the first red image data in the odd sub-image data through a seventh odd output pin, outputs the first red/green/blue image data in the odd sub-image data through an eighth odd output pin, outputs the second blue image data in the even sub-image data through a first even output pin, outputs the second green image data in the even sub-image data through a second even output pin, outputs the second red image data in the even sub-image data through a third even output pin, outputs the second red/green/blue image data in the even sub-image data through a fourth even output pin, outputs the first blue image data in the even sub-image data through a fifth even output pin, outputs the first green image data in the even sub-image data through a sixth even output pin, outputs the first red image data in the even sub-image data through a seventh even output pin, and outputs the first red/green/blue image data in the even sub-image data through an eighth even output pin.

### Claim 7 (depends on 4)

The liquid crystal display device according to claim 4, wherein, in the first mode, the timing controller outputs the first red/green/blue image data in the odd sub-image data through a first odd output pin, outputs the first red image data in the odd sub-image data through a second odd output pin, outputs the first green image data in the odd sub-image data through a third odd output pin, outputs the first blue image data in the odd sub-image data through a fourth odd output pin, outputs the second red/green/blue image data in the odd sub-image data through a fifth odd output pin, outputs the second red image data in the odd sub-image data through a sixth odd output pin, outputs the second green image data in the odd sub-image data through a seventh odd output pin, outputs the second blue image data in the odd sub-image data through an eighth odd output pin, outputs the first red/green/blue image data in the even sub-image data through a first even output pin, outputs the first red image data in the even sub-image data through a second even output pin, outputs the first green image data in the even sub-image data through a third even output pin, outputs the first blue image data in the even sub-image data through a fourth even output pin, outputs the second red/green/blue image data in the even sub-image data through a fifth even output pin, outputs the second red image data in the even sub-image data through a sixth even output pin, outputs the second green image data in the even sub-image data through a seventh even output pin, and outputs the second blue image data in the even sub-image data through an eighth even output pin.

### Claim 8 (depends on 4)

The liquid crystal display device according to claim 4, wherein, in the second mode, the timing controller outputs the first red image data in the even sub-image data through a first odd output pin, outputs the first green image data in the even sub-image data through a second odd output pin, outputs the first blue image data in the even sub-image data through a third odd output pin, outputs the first red/green/blue image data in the even sub-image data through a fourth odd output pin, outputs the second red image data in the even sub-image data through a fifth odd output pin, outputs the second green image data in the even sub-image data through a sixth odd output pin, outputs the second blue image data in the even sub-image data through a seventh odd output pin, outputs the second red/green/blue image data in the even sub-image data through an eighth odd output pin, outputs the first red image data in the odd sub-image data through a first even output pin, outputs the first green image data in the odd sub-image data through a second even output pin, outputs the first blue image data in the odd sub-image data through a third even output pin, outputs the first red/green/blue image data in the odd sub-image data through a fourth even output pin, outputs the second red image data in the odd sub-image data through a fifth even output pin, outputs the second green image data in the odd sub-image data through a sixth even output pin, outputs the second blue image data in the odd sub-image data through a seventh even output pin, and outputs the second red/green/blue image data in the odd sub-image data through an eighth even output pin.

### Claim 9 (depends on 4)

The liquid crystal display device according to claim 4, wherein, in a combination of the first and second modes, the timing controller outputs the first red/green/blue image data in the even sub-image data through a first odd output pin, outputs the first red image data in the even sub-image data through a second odd output pin, outputs the first green image data in the even sub-image data through a third odd output pin, outputs the first blue image data in the even sub-image data through a fourth odd output pin, outputs the second red/green/blue image data in the even sub-image data through a fifth odd output pin, outputs the second red image data in the even sub-image data through a sixth odd output pin, outputs the second green image data in the even sub-image data through a seventh odd output pin, outputs the second blue image data in the even sub-image data through an eighth odd output pin, outputs the first red/green/blue image data in the odd sub-image data through a first even output pin, outputs the first red image data in the odd sub-image data through a second even output pin, outputs the first green image data in the odd sub-image data through a third even output pin, outputs the first blue image data in the odd sub-image data through a fourth even output pin, outputs the second red/green/blue image data in the odd sub-image data through a fifth even output pin, outputs the second red image data in the odd sub-image data through a sixth even output pin, outputs the second green image data in the odd sub-image data through a seventh even output pin, and outputs the second blue image data in the odd sub-image data through an eighth even output pin.