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Projection system and electronic device with the projection system

A projection system and projection lens technology, applied in the fields of electronic devices and projection systems, can solve the problems of limited battery power, high power consumption of the projection system, short battery life, etc., and achieve the effect of improving the battery life and saving power.

Inactive Publication Date: 2016-12-21
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the electronic devices are very light, so the power of their batteries is limited, and the projection system has high power consumption. Therefore, the battery life of electronic devices with projection functions is relatively short. How to increase the battery capacity of the electronic devices? Battery life has become an urgent issue

Method used

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  • Projection system and electronic device with the projection system
  • Projection system and electronic device with the projection system

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Embodiment Construction

[0012] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0013] see figure 1 and figure 2 , the electronic device 100 of the present invention includes a housing 10 and a projection system 20 disposed in the housing 10 . The electronic device 100 may be a mobile phone, a tablet computer, a notebook computer and other types of electronic devices.

[0014] The housing 10 is substantially in the shape of a cuboid and includes an operating surface 11 , a bottom surface 12 opposite to the operating surface 11 , two opposite side surfaces 13 and two opposite end surfaces 14 . An operation interface of the electronic device 100 , such as keys and / or a display screen, is disposed on the operation surface 11 . A plurality of through holes 101 are opened on the housing 10 , and the through holes 101 allow light outside the housing 10 to enter the housing 10 . The number of the through holes 101 may vary according to actual requ...

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PUM

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Abstract

A projection system comprises a light source unit, an imaging unit and a projection lens. The light source unit is used for supplying projection light for the projection system. The imaging unit is used for modulating the light of the light source unit to obtain light with image signals, and sending the light with the image signals to the projection lens. The projection lens is used for projecting the light with the image signals. The light source unit comprises a plurality of condensing lenses and a light guide element. The condensing lenses are used for converging external light to the light guide element. The light guide element is used for guiding the external light converged by the condensing lenses to the imaging unit. The invention further relates to an electronic device with the projection system.

Description

technical field [0001] The invention relates to a projection system and an electronic device with the projection system. Background technique [0002] With the advancement of technology, many electronic devices, such as mobile phones, have built-in projection systems, so that the electronic devices have a projection function. However, most of the electronic devices are very light, so the power of their batteries is limited, and the projection system has high power consumption. Therefore, the battery life of electronic devices with projection functions is relatively short. How to increase the battery capacity of the electronic devices? Battery life has become an urgent problem to be solved. Contents of the invention [0003] In view of this, it is necessary to provide a projection system capable of saving electric energy and an electronic device having the projection system. [0004] A projection system includes a light source unit, an imaging unit and a projection lens. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/00G03B21/14G03B21/20F21V5/04F21V8/00
Inventor 黄雍伦
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD