Display device

a display device and display technology, applied in non-linear optics, instruments, optics, etc., can solve the problems of high cost, long processing time, heavy and thick display devices, etc., and achieve the effect of maintaining display quality

Inactive Publication Date: 2017-06-29
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The solution reduces weight, thickness, and cost while maintaining display quality and preventing deformation when the display is curved, by using a single substrate and a microcavity structure that adapts to bending without compromising image quality.

Problems solved by technology

However, in a liquid crystal display in the related art, two sheets of substrates are necessarily used, and respective constituent elements are formed on the two sheets of substrates, and as a result, there are problems in that the display device is heavy and thick, has high cost, and has a long processing time.

Method used

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Embodiment Construction

[0054]The inventive concept will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the inventive concept are shown. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the inventive concept.

[0055]In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. Like reference numerals designate like elements throughout the specification. It will be understood that when an element such as a layer, film, region, or substrate is referred to as being “on” another element, it can be formed directly on the other element or be formed with intervening elements. In contrast, when an element is referred to as being “directly on” another element, there are no intervening elements present.

[0056]First, a display device according to an exemplary embodiment of the inventive concept will be s...

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Abstract

Provided is a display device, including a substrate including pixel areas which are disposed in a matrix form including pixel rows and pixel columns, a thin film transistor formed on the substrate, a pixel electrode connected to the thin film transistor, a common electrode formed on the pixel electrode to be spaced apart from the pixel electrode with a microcavity therebetween, a liquid crystal layer filling the microcavity between the pixel electrode and the common electrode, a roof layer formed on the common electrode, a liquid crystal injection hole formed in the common electrode and the roof layer to expose a part of the microcavity, and an overcoat formed on the roof layer so as to cover the liquid crystal injection hole to seal the microcavity. A cross section of the microcavity has a reverse-tapered trapezoidal shape in which an upper width is larger than a lower width.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application is a divisional application of U.S. patent application Ser. No. 14 / 472,146 filed on Aug. 8, 2014, which claims priority to Korean Patent Application No. 10-2014-0016045 filed in the Korean Intellectual Property Office on Feb. 12, 2014, the entire contents of which are incorporated herein by reference., and all the benefits accruing therefrom under 35 U.S.C. §119, the contents of the prior applications being herein incorporated by referenceBACKGROUND[0002](a) Field[0003]The inventive concept relates to a display device and a manufacturing method thereof.[0004](b) Description of the Related Art[0005]The liquid crystal display which is one of the most common types of flat panel displays currently in use includes two sheets of display panels with field generating electrodes such as a pixel electrode, a common electrode, and the like, and a liquid crystal layer interposed therebetween. The liquid crystal display generates an el...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): G02F1/1341G02F1/1343G02F1/1368G02F1/1333
CPCG02F1/1341G02F1/133377G02F1/133345G02F1/134309G02F2201/56G02F1/13439G02F2201/123G02F2201/121G02F1/1368
InventorBANG, JUNG SUKSONG, DAE HOHONG, SEOK-JOON
OwnerSAMSUNG DISPLAY CO LTD