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Multi-purpose flat plate lamp

A technology of flat panel lamps and light strips, applied in lighting devices, light sources, electric light sources, etc., can solve the problems of no memory function, unreachable light source brightness index, constant current power supply cannot be dimmed, etc., and achieve the goal of increasing the color rendering index Effect

Inactive Publication Date: 2013-06-19
杭州益久来文化创意科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the technical field of lighting lamps and lanterns, most of the conventional flat panel lamp technologies are side-emitting, which is characterized by constant current power supply that cannot be dimmed or dimmed but has no memory function, and the brightness index of the light source cannot meet the required index required by the museum. If the brightness is too high, it will cause damage to the cultural relics in the museum, such as calligraphy and painting, books, etc. At the same time, the display index of conventional flat panel lights is also relatively low, so they can only be used as general lighting fixtures, and cannot be used as lamps that require special light sources.

Method used

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0020] A multi-purpose flat panel lamp, comprising a lamp bead mounting layer 1, a diffuser plate 2, a printed light guide plate 3, and a reflective sheet 4 that are stacked in sequence, and the reflective sheet 4 is closely attached to the bottom of the printed light guide plate 3 to reflect the exposed light back In the printed light guide plate 3, it is used to improve the use efficiency of light. An optical film 5 that can soften the transmitted delayed light is...

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Abstract

The invention discloses a multi-purpose flat plate lamp. The multi-purpose flat plate lamp comprises a lamp bead installment layer, a diffusion plate, a printed light-guiding plate and a reflective sheet, wherein the lamp bead installment layer, the diffusion plate, the printed light-guiding plate and the reflective sheet are sequentially arranged in an overlapped mode. The reflective sheet is attached to the bottom of the printed light-guiding plate, and optical membrane capable of ensuring that permeated delaying light becomes soft is overlapped between the diffusion plate and the printed light-guiding plate. Compared with the prior art, because the optical membrane is additionally arranged on the multi-purpose flat plate lamp on the basis of the structure of an ordinary flat plate lamp, luminance brightness of a light source is dropped, but the effective light distance is increased to ensure that light effect is guaranteed within the distance, and meanwhile color rendering indexes are increased. Furthermore, because a heat dissipation body is arranged on an aluminum frame of the multi-purpose flat plate lamp, service life of a power source is prolonged and light weakening of a light-emitting diode (LED) light bead is delayed.

Description

technical field [0001] The invention relates to the technical field of lighting fixtures, in particular to a multi-purpose flat panel lamp. Background technique [0002] In the technical field of lighting lamps and lanterns, most of the conventional flat panel lamp technologies are side-emitting, which is characterized by constant current power supply that cannot be dimmed or dimmed but has no memory function, and the brightness index of the light source cannot meet the required index required by the museum. If the brightness is too high, it will cause damage to the cultural relics in the museum, such as calligraphy, paintings, books, etc. At the same time, the display index of conventional flat panel lights is also relatively low, so they can only be used as general lighting fixtures, and cannot be used as lamps that require special light sources. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the object of the present invention is to prov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S2/00F21V13/00F21V17/12F21Y101/02F21K9/68F21Y115/10
Inventor 金祥文汪惠琴丁宏祥
Owner 杭州益久来文化创意科技有限公司
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