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device for transmitting light

A technology for transmitting light and light pipes, which is applied in the field of light transmission and can solve problems such as light leakage

Active Publication Date: 2020-06-09
INTERDIGITAL CE PATENT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, connecting bridges can cause light leakage and interference between the different light pipes they are connected to

Method used

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Embodiment Construction

[0020] Embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, some detailed descriptions of known functions and constructions are omitted for clarity and conciseness.

[0021] FIG. 1 is a diagram showing an ideal optical transmission path according to the prior art. In this example, 2 light pipes and 2 connection bridges (used as connection parts) are molded from the same material as a single inseparable part for the purpose of making assembly easy. The first light pipe is used to transmit the first light (or called the first light beam, or the first light beam) from one end to the other end, as shown by the solid line, that is, from the first LED to the indicator, and the second The two light pipes are used to transmit the second light (or called the second light beam or the second light beam) emitted by the second LED, as shown by the dotted line. Connecting bridges in the shape of cuboids...

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PUM

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Abstract

A device for transmitting light is provided comprising at least two light pipes and at least one connecting portion molded from the same material as a single piece, wherein each connecting portion comprises a triangular prism , which has a connecting surface for connecting at least two light pipes and two other surfaces forming an acute angle with the connecting surface.

Description

technical field [0001] The present invention relates to light transmission, and more particularly to devices for transmitting light. Background technique [0002] A waveguide is a structure that guides waves, such as electromagnetic or acoustic waves. There are different types of waveguides for each type of wave. [0003] For light waves, the corresponding waveguide is an optical waveguide. It is a physical structure that guides electromagnetic waves in the spectrum. As an example of a light guide, a light pipe or light pipe is a physical structure used to transport and distribute natural or artificial light for lighting purposes. [0004] In electronic devices, molded plastic light pipes are commonly used in the electronics industry to direct light from LEDs (Light Emitting Diodes) on circuit boards to indicator symbols or buttons in the front panel. These light pipes often take very complex shapes, using smooth curved shapes (like optical fibers) or having sharp-edged ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/26F21Y115/10
CPCG02B6/0008G02B6/0075
Inventor 黄文新周祖科秦巨志
Owner INTERDIGITAL CE PATENT HLDG