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Light source module and light guide plate

A light source module, light guide plate technology, applied in the direction of light guide, optics, optical components, etc., can solve the problem of narrowing the vertical viewing angle, difficult to meet the narrow viewing angle, etc., to achieve the effect of reducing the horizontal viewing angle, meeting the thinning, and reducing the vertical viewing angle.

Inactive Publication Date: 2018-01-09
NANO PRECISION TAIWAN LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing narrow viewing angle technology cannot effectively limit the vertical viewing angle, and it is difficult to meet the needs of today's narrow viewing angle related applications

Method used

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  • Light source module and light guide plate
  • Light source module and light guide plate
  • Light source module and light guide plate

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Embodiment Construction

[0023] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of a preferred embodiment with accompanying drawings. The directional terms mentioned in the following embodiments, such as: up, down, left, right, front or back, etc., are only referring to the directions of the drawings. Accordingly, the directional terms are used to illustrate and not to limit the invention.

[0024] Figure 1A is a schematic cross-sectional view showing a light source module according to an embodiment of the present invention. Please refer to Figure 1A , in this embodiment, the light source module 100 includes a light guide plate 110 and a light source 120 . The light guide plate 110 includes a light-incident surface IS, a light-exit surface ES, a bottom surface BS, and a reflective surface RS. The reflection surface RS is opposite to the light incident surface IS, and the light exit surfac...

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PUM

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Abstract

The invention discloses a light source module and a light guide plate; the light source module comprises the light guide plate, a light source and an optical film; the light guide plate comprises a bottom surface, a light emitting surface, a light entering surface and a reflection surface; the projection of the reflection surface on the light emitting surface is in an arc shape; the optical film is arranged on the light emitting surface, and comprises a plurality of prism columns in arrangement; the bottom surface is provided with a plurality of microstructures, wherein each microstructure hasa first surface and a second surface; the first and second surfaces are close to the light entering surface; the angle between the first surface and the bottom surface is between 1 and 10 degrees. The light source module can effectively reduce a horizontal visual angle and a vertical visual angle, and can be thinned.

Description

technical field [0001] The invention relates to a light source module and a light guide plate. Background technique [0002] Liquid Crystal Displays (LCDs) have been widely used in various aspects of daily life, such as notebook computers, LCD monitors, portable consumer audio-visual products, mobile phones, and LCD TVs and other information appliances. Since the display panel of the liquid crystal display does not emit light by itself, a light source module (light source module) providing a light source is one of the key components of the liquid crystal display. [0003] In recent years, in related research fields of displays, narrow viewing angle technology has gradually been paid attention to, and displays with smaller viewing angles can have many applications. The existing narrow viewing angle technology usually uses a wedge-shaped light guide plate with a special light incident structure and a special reflective structure to improve the directivity of light and thereby...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/00G02B1/10G02F1/13357
CPCG02B6/0045G02B6/0053G02B6/0036G02B5/09G02B6/0068
Inventor 刘明达柯明达翁兆泓
Owner NANO PRECISION TAIWAN LTD
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