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Fluorescent-tube fixer

A technology for fixing devices and lamp tubes, applied in identification devices, nonlinear optics, instruments, etc., can solve the problems of time wasting, lamp tube 18 scratches, cumbersome operation process, etc.

Inactive Publication Date: 2006-11-01
CORETRONIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In the above step S15, the lamp tube supporting device 22 must be moved from the end of the lamp tube 18 to the predetermined position. This operation process is cumbersome and causes a waste of time. During the moving process, the surface of the lamp tube 18 is easily scratched by the lamp tube supporting device 22

Method used

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  • Fluorescent-tube fixer
  • Fluorescent-tube fixer
  • Fluorescent-tube fixer

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Embodiment Construction

[0024] see image 3 , image 3 is a schematic diagram of the backlight module 30 of the present invention. In this embodiment, the backlight module 30 is an example of a side-lit backlight module 30 , including a light source device 32 , a light guide plate 34 and several optical films 36 . The light source device 32 is used to provide an incident light 38 required by the edge-lit backlight module 30 , and includes a lamp tube 40 , a lamp shade 42 and a lamp tube fixing frame 44 . The lampshade 42 forms a light outlet 46 and a chamber in which the lamp tube 40 is placed in the chamber. An inner surface of the lampshade 42 facing the lamp tube 40 is coated with a reflective layer 48 for reflecting the light emitted by the lamp tube 40. emitted light. The lamp tube fixing frame 44 is located between the lamp tube 40 and the lampshade 42, and is perpendicular to the axial direction of the lamp tube 40, and is used to support and fix the lamp tube 40 at a predetermined position...

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Abstract

A fixing device of lamp tube is prepared as setting lamp tube fixing frame between lamp tube and lamp cover to fix lamp tube on position in container, using lamp tube fixing frame to corral a C form hole being used to set lamp tube, setting light guide plate closely adjacent to light source to homogenize incoming light and setting a numbers of optical films closely to light guide plate in order to regulate incoming light being homogenized by light guide plate.

Description

【Technical field】 [0001] The invention relates to a lamp tube fixing device, in particular to a lamp tube fixing device applied to a backlight module. 【Background technique】 [0002] Currently, the liquid crystal displays sold in the market all include a backlight module. The backlight module can be roughly divided into two types: direct-light type and side-light type. The backlight module is used to even out the light from the lamp tube to form a side light source. [0003] see figure 1 , figure 1 It is a schematic diagram of a conventional edge-lit backlight module 10 . A conventional edge-lit backlight module 10 includes a light emitting device 12 , a light guide plate 14 and several optical films 16 . The light emitting device 12 includes two lamp tubes 18 , a reflector 20 and a lamp tube supporting device 22 . The two lamp tubes 18 pass through two inner holes located in the middle part of the lamp tube supporting device 22 respectively. The light tube supporting d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1335G09F9/35
Inventor 方旭东
Owner CORETRONIC