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A pm-oled cathode lead layout structure and manufacturing method thereof

A PM-OLED and cathode lead technology, applied in the field of PM-OLED, can solve the problems of high voltage drop and large resistance, and achieve the effect of reducing voltage drop, increasing width, and realizing narrow frame design

Inactive Publication Date: 2017-03-29
SICHUAN CCO DISPLAY TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the cathode lead of PM-OLED is drawn from both sides of the cathode, and the structure design of the cathode lead and the cathode is drawn out in a plane. In order not to make the frame too large, the cathode lead is designed to be thinner, because the thinner the cathode lead, the smaller the occupied area. , but the thinner the cathode lead, the greater the resistance, resulting in a higher voltage drop across the cathode lead

Method used

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  • A pm-oled cathode lead layout structure and manufacturing method thereof
  • A pm-oled cathode lead layout structure and manufacturing method thereof
  • A pm-oled cathode lead layout structure and manufacturing method thereof

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0018] Such as figure 1 , figure 2 and image 3 As shown, the PM-OLED cathode lead layout structure of the present invention includes a cathode 1, a reserved cathode lead 3 and a cathode lead 6, the reserved cathode lead 3 is perpendicular to the cathode 1, the cathode 1 is covered with an insulating layer 2, and the insulating layer 2 Part of the anode lead 5 is also covered, and a cathode hole 4 is opened corresponding to each cathode lead 6 on the insulating layer 2, and the cathode holes 4 are distributed in steps, corresponding to each row of cathodes 1 one by one; the insulating layer 2 is a low-K material , and increase the thickness of the insulating layer 2 as much as possible within the range allowed by the process, the thicker low-K material insulating layer 2 can reduce the capacitive effect; one end of the cathode lead 6 is connected ...

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Abstract

The invention discloses a PM-OLED cathode lead layout structure, comprising a cathode, a reserved cathode lead and a cathode lead, the cathode is covered with an insulating layer, and at least one cathode hole is arranged on the insulating layer, and one end of the cathode lead passes through the cathode The hole is connected with the cathode, and the other end is connected with the reserved cathode lead; the invention also discloses a manufacturing method of the layout structure. In the PM-OLED cathode lead layout structure of the present invention, the cathode lead and the cathode are stacked and three-dimensional, so that the width of the cathode lead can be increased, and the voltage drop on the cathode lead can be reduced; the side space of the panel can also be saved, and the purpose of narrow frame design can be realized .

Description

technical field [0001] The invention relates to the field of PM-OLEDs, in particular to a PM-OLED cathode lead layout structure and a manufacturing method thereof. Background technique [0002] OLED technology is regarded as the new flat panel display technology with the greatest development potential after LCD. Due to its outstanding performance advantages, it has been valued by many countries and enterprises in the world. Luminous, fast response, low-voltage drive, low power consumption, all-solid-state structure, ultra-thin, wide viewing angle, wide temperature range and many other advantages represent the current development direction of display technology. [0003] OLED devices can be divided into passively driven PM-OLEDs and actively driven AM-OLEDs according to their different driving methods. Passively driven PM-OLEDs mainly work in line scanning mode. Typical PM-OLEDs are composed of glass substrates, ITO The anode, the organic light-emitting layer and the cathode...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/52H01L51/56
CPCH10K50/824H10K71/00
Inventor 潘剑白陈思敏
Owner SICHUAN CCO DISPLAY TECH
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