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Display device and production method thereof

A technology of display device and display medium layer, which is applied in the direction of electric solid-state devices, semiconductor devices, semiconductor/solid-state device components, etc., can solve the problems of product yield and display effect, etc. The effect of improving product yield and simplifying process flow

Active Publication Date: 2012-09-05
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of realizing the fabrication of the above-mentioned display device, the inventors found that there are at least the following problems in the prior art: In the prior art, electrodes with the same pattern as the segment electrodes of the lower substrate need to be etched on the upper substrate, and the pattern of the electrodes on the upper substrate The pattern of the lower substrate electrode and the pattern of the lower substrate segment electrode need to be strictly aligned to avoid the lead wires of the lower substrate segment electrode being displayed, which will affect the yield rate and display effect of the product

Method used

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  • Display device and production method thereof
  • Display device and production method thereof
  • Display device and production method thereof

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Embodiment 1

[0046] An embodiment of the present invention provides a display device, such as image 3 As shown, the display device includes: an upper substrate 1 and a lower substrate 3 , and a display medium layer 2 is arranged between the upper substrate 1 and the lower substrate 3 . The upper substrate 1 may be a substrate coated with an ITO layer, or a glass substrate, or a PET film flexible substrate. The material of the display medium layer 2 is electrochromic material, polymer dispersed liquid crystal material or electronic ink material. The lower substrate 3 includes a lead layer 5 and an insulating layer 4, the lead layer 5 is prepared on the substrate, or a glass substrate, or a PET film flexible substrate, the insulating layer 4 covers the lead layer 5, and the lead layer 5 passes through the via hole of the insulating layer 4 Connect with the display medium layer 2. The lead layer 5 includes a lead layer pattern, and the insulating layer 4 includes a hollow area with a prese...

Embodiment 2

[0049]An embodiment of the present invention provides a display device, which includes: an upper substrate and a lower substrate, and a display medium layer is arranged between the upper substrate and the lower substrate. The upper substrate is a glass substrate coated with an ITO layer. The display medium layer is made of polymer dispersed liquid crystal material. The lower substrate includes a lead layer and an insulating layer. The lead layer is prepared on the glass substrate, and the insulating layer covers the lead layer. The lead layer is connected to the display medium through the via hole of the insulating layer. Since the lead layer is covered by the insulating layer, the lead Layer leads are not displayed.

[0050] In the prior art, it is necessary to etch an electrode with the same pattern as the pixel electrode on the lower substrate on the upper substrate, so as to realize the display function of the display device and at the same time cover the lead wires of th...

Embodiment 3

[0059] An embodiment of the present invention provides a display device, such as Image 6 As shown, the display device includes: an upper substrate 1 and a lower substrate 3, and a display medium layer 2 is arranged between the upper substrate and the lower substrate. A filter plate is set under the lower substrate as the background color layer 8 . The upper substrate 1 is a PET film flexible substrate coated with an ITO layer. The material of the display medium layer 2 is an electrochromic material. Such as Figure 7 As shown, the lower substrate 3 includes a lead layer 5, an insulating layer 4 and a pixel layer 9, the lead layer 5 is prepared on a PET film flexible substrate, the insulating layer 4 covers the lead layer 5, the pixel layer 9 covers the insulating layer 4, and the pixel layer 9 includes pixel electrodes in a matrix preset pattern, the insulating layer has insulating layer via holes 10, the lead layer 5 is connected to the pixel layer 9 through the insulatin...

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Abstract

The embodiment of the invention discloses a display device and a production method thereof, relating to the field of display device. According to the embodiment of the invention, a technological process is simplified and product yield is improved. The display device comprises an upper substrate and a lower substrate, wherein a display dielectric layer is arranged between the upper substrate and the lower substrate, the lower substrate comprises a lead layer, an insulating layer covers the lead layer, and the lead layer is connected with the display dielectric layer by virtue of a through hole of the insulating layer. The preparation method of the display device comprises the following steps of: forming the lead layer comprising a lead layer graph by adopting a composition technology on the lower substrate; forming the insulating layer by adopting the composition technology on the lead layer; and encapsulating the upper substrate, display dielectric and the lower substrate into a display device.

Description

technical field [0001] The invention relates to the technical field of display devices, in particular to a structure of a display device and a preparation method thereof. Background technique [0002] In the prior art, such as a typical pen-segment display, it includes a display medium, an upper and lower glass substrate coated with ITO transparent electrodes, wherein the ITO electrodes are carved into the shape of a field, and the shape of the ITO electrodes on the upper and lower substrates is as follows: figure 1 with 2 As shown, a number can be represented by a combination of 7 segments such as a, b, c, d, e, f, g, etc., and the corresponding segment electrodes are pixel electrodes. figure 1 Shown is the segment electrode of the lower substrate. Using the logic circuit to control the display and non-display of the 7 segments respectively can make the segment display display 10 numbers of 0-9. Such as figure 2 As shown, the upper substrate electrode is on another ITO-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/153G02F1/1334G02F1/13G02F1/167H01L23/58
Inventor 李文波张卓王刚刘则
Owner BOE TECH GRP CO LTD