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Rollable display apparatus

A display device, curling technology, applied in the direction of identification devices, conductive materials, carbon silicon compound conductors, etc., can solve problems such as excessive stress, cracks or punching, defects, etc., to reduce the possibility of damage and improve reliability. Effect

Active Publication Date: 2020-03-31
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the rollable display device is stored while being rolled into the case, excessive stress, cracks, or punching may occur in a portion of the display panel of the rollable display device, resulting in defects or reliability issues

Method used

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Embodiment Construction

[0058] Advantages and features of the present disclosure and methods of achieving them will be apparent through the embodiments described below with reference to the accompanying drawings. However, the present disclosure is not limited to the embodiments disclosed herein, but will be implemented in various forms. These embodiments are provided by way of example only so that those of ordinary skill in the art can fully understand the disclosure content and scope of the present disclosure. Accordingly, the present disclosure is to be limited only by the scope of the claims.

[0059] Shapes, dimensions, percentages, angles, numbers, etc. disclosed in the drawings for describing various embodiments of the present disclosure are merely examples, and the present disclosure is not limited thereto. Throughout the specification, the same reference numerals denote the same elements. Also, in the following description of the present disclosure, detailed descriptions of known related ar...

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Abstract

The scheme of the embodiment of the invention provides a rollable display apparatus including a display panel having a threshold curvature radius; a roller, having a curvature radius equal to or larger than the threshold curvature radius, attached to one side of the display panel and configured to allow the display panel to be rolled-up; and a curved surface member, spaced apart from the roller, having a curvature radius equal to or larger than the threshold curvature radius in an area in contact with the display panel, configured to bend the display panel in a direction opposite to a direction in which the display panel is rolled by the roller.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to Korean Patent Application No. 10-2018-0113687 filed with the Korean Intellectual Property Office on September 21, 2018, the disclosure of which is incorporated by reference in its entirety. technical field [0003] The present disclosure relates to rollable display devices, and more particularly, to rollable display devices having improved reliability. Background technique [0004] The display device may receive an image signal and display an image. A flexible display device refers to a display device with flexible characteristics. The flexible display device may be a curved display device that is bent into a specific shape, a foldable display device that can be folded about a specific axis, and a rollable display device that can be rolled into a specific radius of curvature. [0005] The display device can be realized by electroluminescent elements such as micro light emitting dio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F9/30
CPCG09F9/301H01B1/04H01B1/124G06F1/1652G09F9/33H10K77/111H10K59/8051H10K59/8052H10K59/87G09G3/3266G09G3/3275H05K9/0064H05K9/0067H10K2102/3023G09G2380/02G09G2330/06G06F3/147
Inventor 明鲁勋
Owner LG DISPLAY CO LTD
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