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Evaporation crucible

A crucible and evaporation technology, which is applied in the field of organic electroluminescence display technology process, can solve the problems of low evaporation efficiency, burnout evaporation crucible, unstable sublimation rate, etc., and achieve the effect of increasing the contact area and stabilizing the rate

Inactive Publication Date: 2016-10-12
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide an evaporation crucible to solve the problem of low evaporation efficiency and burnout caused by unstable sublimation rate when molten metal material is evaporated in the existing vacuum thermal evaporation technology. Evaporation Crucible Problems

Method used

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Embodiment Construction

[0025] The implementation process of the embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0026] see Figure 1 to Figure 3 , the embodiment of the present invention provides an evaporation crucible, comprising a crucible body 1 , and a grid-shaped protruding structure 2 is formed on the inner surface of the bottom of the crucible body 1 .

[0027] figure 2 for figure 1 The schematic cross-sectional view of the evaporation crucible shown at AB, image 3 for figure 1 The schematic cross-sectional view of the vapor deposition crucible shown at CD shows that the protrudi...

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Abstract

The invention discloses an evaporation crucible, and aims at solving the problems that the evaporation efficiency is low and the evaporation crucible is burnt out due to an unstable sublimation rate when a molten metal material is evaporated in an existing vacuum thermal evaporation technology. The evaporation crucible comprises a crucible body; and a latticed bump structure is formed on the inner surface of the bottom part of the crucible body.

Description

technical field [0001] The invention relates to the field of organic electroluminescence display technology manufacturing process, in particular to an evaporation crucible. Background technique [0002] Flat panel display devices have many advantages such as thin body, power saving, and no radiation, and have been widely used. Existing flat panel display devices mainly include liquid crystal display devices (Liquid Crystal Display, LCD) and organic electroluminescent display devices (Organic Light Emitting Display, OLED). Among them, compared with LCD, OLED display devices not only have excellent display performance, but also have all-solid-state, white light emission, simple structure, ultra-thin, fast response, wide viewing angle, room temperature operation, low power consumption and easy realization of flexible display and 3D display and other advantages have been favored by major display manufacturers. [0003] OLED display devices usually consist of an anode, a cathod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/56
CPCH10K71/164
Inventor 张微
Owner BOE TECH GRP CO LTD
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