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Invisible light-transmitting cover

A light-transmitting cover and invisibility technology, applied in the direction of instruments, aircraft parts, electrical components, etc., can solve problems such as increased power consumption, affecting the life of light-emitting devices, and increasing light attenuation of light sources

Inactive Publication Date: 2021-02-23
GUIZHOU HUAYANG ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the display device in the prior art, when the light source is not on, the characters on the display sheet must be invisible, but the lower the visibility of the characters is, the lower the transmittance of the display sheet will be, which will cause the light attenuation of the light source to change. Large, to ensure the specified brightness of the entire display device, the only way to meet the brightness requirement is to increase the current, resulting in increased power consumption, wasting excess electrical energy into heat energy, and increasing the heat generation, which seriously affects the life of the light-emitting device

Method used

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  • Invisible light-transmitting cover
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  • Invisible light-transmitting cover

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Embodiment Construction

[0025] The specific implementation, structure, features and effects according to the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.

[0026] An invisible light-transmitting cover of the present invention is characterized in that: a planar light emitter 2 and a display sheet 3 are snapped into the housing 1, and the planar light emitter 2 is composed of a reflective frame 4, an LED chip 5, a connecting rod 6, and a circuit board. 7. Connector 8, pin 9, contact 10, and spring 11. The LED chip 5 is encapsulated with epoxy resin in the reflective frame 4. The LED chip 5 communicates with the circuit through the connecting rod 6 and fixes the circuit board 7. The circuit board 7 is fixed Installed on the connecting piece 8, the spring 11 is inserted into the connecting piece 8 and snapped into the contact 10, and the pin 9 passes through the connecting piece 8 to communicate with the circuit of the circuit b...

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Abstract

The invention discloses an invisible light-transmitting cover. A plane illuminator (2) and a display piece (3) are clamped into a shell (1); the plane illuminator (2) is composed of a reflection frame(4), an LED chip (5), a connecting rod (6), a circuit board (7), a connecting piece (8), a pin (9), a contact (10) and a spring (11); the LED chip (5) is packaged in the reflection frame (4) throughepoxy resin; the LED chip (5) is connected to the circuit through the connecting rod (6) and the circuit board (7) is fixed; the circuit board (7) is fixedly arranged on the connecting piece (8); thespring (11) is inserted into the connecting piece (8)and the contact (10) is clamped; and the pin (9) penetrates through the connecting piece (8) to be communicated with a circuit of the circuit board(7). According to the invention, misjudgment and operation interference on a pilot due to visible characters and identifications on the daytime display device is avoided, the photoelectric conversionrate is improved, the service life of the display device is prolonged, the aircraft safety is improved, and the workload of the pilot is reduced.

Description

technical field [0001] The invention belongs to the technical field of light alarms, and in particular relates to an invisible transparent cover. Background technique [0002] In the display device in the aircraft. The display control device is an important part of the light warning system on the aircraft. The pilot performs the next operation of the aircraft through the information of different levels (warning level, attention level, prompt level) displayed by the display device. In the display device in the prior art, when the light source is not on, the characters on the display sheet must be invisible, but the lower the visibility of the characters is, the lower the transmittance of the display sheet will be, which will cause the light attenuation of the light source to change. Large, to ensure the specified brightness of the entire display device, the only way to meet the brightness requirement is to increase the current, resulting in increased power consumption, wasti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F13/04H01L33/48H01L33/56H01L33/58H01L33/62H01L33/64B64D47/02B64D43/00
CPCG09F13/04H01L33/48H01L33/56H01L33/58H01L33/62H01L33/644B64D47/02B64D43/00
Inventor 范昭君周文浩王雪
Owner GUIZHOU HUAYANG ELECTRICAL