Luminous indicating plate
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
- Publication Date
- 2005-02-16
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
【Technical field】
[0001] The invention relates to a luminous sign board. 【Background technique】
[0002] Signs (Logos), such as billboards, car signs and traffic signs, are increasingly used in public places and businesses. Yet sign board itself can not be luminous, needs to rely on the light of reflection external lighting device to make people also can see clearly the lettering and pattern on the license plate or billboard at night. For this reason, an active light source is usually arranged on the back of the sign, and the light emitted by the light source illuminates the sign from the back, so that no external lighting device is required. Signboards with active light sources on the back are generally called luminous signboards.
[0003] At present, most luminous signboards include a luminous device and markers, and the markers are illuminated by the luminous device to achieve the purpose of display. However, most of them have problems such as poor display effect. [0...