Luminescent backlight with multi-swallow-wing arc-gated structure with single-ring circular convex surface cathode

Abstract

The invention discloses a light-emitting backlight source of a single-interlink circular convex surface cathode multi-swallow-wing-arc gating structure. The light-emitting backlight source comprises avacuum sealing body and a getter accessory element located in the vacuum sealing body. The vacuum sealing body is composed of a front transparent hard glass plate, a rear transparent hard glass plateand narrow glass frame strips. An anode high-conductivity film layer, an anode silver thick line layer and a thin light-emitting layer are arranged on the front transparent hard glass plate, the anode high-conductivity film layer is connected with the anode silver thick line layer, and the thin light-emitting layer is manufactured on the anode high-conductivity film layer. The rear transparent hard glass plate is provided with a single-interlink circular convex surface cathode multi-swallow-wing-arc gating structure. The light-emitting backlight source has the advantages of stable manufacturing process, simple manufacturing structure and high light-emitting brightness.

Description

technical field [0001] The present invention belongs to the fields of semiconductor science and technology, optoelectronic science and technology, vacuum science and technology, microelectronics science and technology, integrated circuit science and technology, nanometer science and technology and plane display technology. It relates to the production of planar light-emitting backlight, specifically to the production of planar light-emitting backlight with carbon nanotube cathodes, and in particular to a light-emitting backlight with single-ring circular convex surface cathode and multi-swallow-wing arc-gated structure and its production craft. Background technique [0002] Carbon nanotubes have a small tip curvature radius and extremely high mechanical properties, and are a cathode material with excellent electrical conductivity. In view of the large-scale popularization of the screen printing process, the fabrication of patterned and planar carbon nanotube cathodes has be...

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Problems solved by technology

Second, the electron emission efficiency of carbon nanotubes is very low

In the carbon nanotube layer, only a small number of carbon nanotubes can emit electrons normally, and a considerable number of carbon nanotubes emit a small number of electrons, and even some carbon nanotubes do not emit electrons at all; overall In terms of carbon nanotubes, the number of electrons emitted by carbon nanotubes is small, which is unable to form a large current of light-emitting backlight

Third, the fabrication area of ​​the carbon nanotube cathode is very small

Limited by high-resolution technical indicators, the fabrication area of ​​carbon nanotube cathodes should not be too large; however, a small carbon nanotube cathode fabrication area means that the number of carbon nanotubes is too small, which is also unable to form a luminous backlight One reason for the large current

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