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Voltage converting unit and display device having the same

A technology for voltage conversion and display devices, applied in the field of voltage conversion devices and display devices, to achieve the effects of improving drive characteristics, improving display quality, and reducing grayscale voltage changes

Inactive Publication Date: 2007-02-14
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The temperature compensation part generates a reference voltage based on the original reference voltage according to the temperature

Method used

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  • Voltage converting unit and display device having the same
  • Voltage converting unit and display device having the same
  • Voltage converting unit and display device having the same

Examples

Experimental program
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Embodiment Construction

[0029] Hereinafter, the present invention is described more fully with reference to the accompanying drawings that show embodiments of the invention. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

[0030] It will be understood that when an element or layer is referred to as being on, or connected to, coupled to another element or layer, it can be directly on, or directly connected to, coupled to, the other element or layer. to another element or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being directly on, directly connected to, coupled to, another element ...

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PUM

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Abstract

The invention provides a voltage converting unit including a converting module part, a temperature compensating part, a first gate driving signal generating part and a second gate driving signal generating part, whereby an image display quality is improved. The converting module part generates a gate driving pulse based on an externally provided voltage. The temperature compensating part generates a reference voltage based on a primary reference voltage with respect to a temperature. The first gate driving signal generating part generates a first gate driving signal based on the gate driving pulse and the reference voltage. The second gate driving signal generating part generates a second gate driving signal based on the gate driving pulse and a ground voltage.

Description

technical field [0001] The present disclosure relates to a voltage conversion device and a display device having the voltage conversion device. More particularly, the present disclosure relates to a voltage conversion device that is not affected by temperature changes, and a display device having the voltage conversion device that can improve image display quality. Background technique [0002] The display device displays images using electrical signals processed by the information processing device. A flat panel display device is a display device having various characteristics such as small size, light weight, and high resolution among display devices. [0003] A liquid crystal display (LCD) device is a flat panel display device that uses the photoelectric properties of liquid crystals to display images among flat panel display devices. [0004] The LCD device includes a display panel assembly and a backlight assembly. The display panel assembly i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/133G09G3/36
CPCG09G2320/041G09G3/3696G09G3/20G09G3/36G02F1/133
Inventor 牟相文
Owner SAMSUNG ELECTRONICS CO LTD
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