Panel vibration type sound generating display device

A display device, display panel technology, applied in the direction of frequency/directional characteristic device, sensor type, polymer material diaphragm, etc.

Active Publication Date: 2018-06-05
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this sound output technology is limited to the operation of outputting only a single sound by vibrating the entire display panel

Method used

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  • Panel vibration type sound generating display device
  • Panel vibration type sound generating display device
  • Panel vibration type sound generating display device

Examples

Experimental program
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Embodiment approach

[0216] According to one or more exemplary embodiments of the present disclosure, a panel vibration type sound emitting display device includes: a display panel for displaying an image; in a plurality of sound output areas that respectively output different sounds in the display device, and configured to vibrate the display panel and emit sound; a rear support portion for supporting a rear portion of the display panel; and a sound separation partition The sound separation partition surrounds each of the plurality of sound output areas and is configured to be placed in contact with the display panel and the rear support to define a space in each sound output area.

[0217] According to one or more embodiments of the present disclosure, the sound separation partition may be composed of four sides surrounding each sound output area, and one or more of the four sides of the sound separation partition One side may include a bent portion which is bent towards a sound exciter arranged...

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PUM

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Abstract

The invention relates to a display device. The display device comprises a display panel, which is configured to display images; a plurality of sound generation exciters, which are arranged in a plurality of sound outputting areas and are configured to vibrate the display panel to generate sounds; and partition parts, which are arranged between every two sound outputting areas and surround at leastone of the sound outputting areas.

Description

technical field [0001] The present disclosure relates to a display device, in particular to a display device that generates sound by vibrating a display panel. Background technique [0002] With the development of various portable electronic devices, such as mobile communication terminals and notebook computers, the demand for display devices applicable thereto has gradually increased. [0003] Display devices include liquid crystal display devices, electroluminescent display devices, light emitting diode display devices, and organic light emitting diode display devices. [0004] Among these display devices, a liquid crystal display (LCD) device generally includes: an array substrate having an array of thin film transistors; an upper substrate having a color filter layer and / or a black matrix, etc.; and a liquid crystal material layer formed therebetween, Among them, the alignment state of the liquid crystal is controlled according to the electric field applied between two ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R9/06H04R9/02
CPCH04R9/02H04R9/06H04R2400/11G02F1/1333G02F1/133308H04R7/045H04R2499/15H04R1/26H04R5/02H04R9/025H04R9/04H04R2307/023H04R2307/025H04R2400/03H04R2440/05H04R2440/07H04R2499/11G02F1/133317H04R1/028H10K59/10
Inventor 崔荣洛朴宽镐李成泰金光浩
Owner LG DISPLAY CO LTD
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