CN203376552U

CN203376552U - Optical machine and electronic device

Info

Publication number: CN203376552U
Application number: CN201320353018.0U
Authority: CN
Inventors: 代永平; 范伟; 范义; 麦玉; 崔海铭
Original assignee: Shenzhen Yangtze Live Co Ltd
Current assignee: Shenzhen Yangtze Live Co Ltd
Priority date: 2013-06-19
Filing date: 2013-06-19
Publication date: 2014-01-01
Anticipated expiration: 2023-06-19

Abstract

The utility model, which is suitable for the field of the display technology, provides an optical machine and an electronic device. The optical machine comprises a support and a light source installed at the support; and a zigzag light elimination tooth is arranged at an inner wall, opposite to the light source, of the support. Because of the zigzag light elimination tooth arranged at the inner wall, opposite to the light source, of the support, stray lights irradiating at the inner wall are reflected multiple times by the light elimination tooth and thus are reduced projected to a screen by a projection lens, thereby reducing the brightness of the projection screen at a dark field and thus improving the contrast of the optical machine. Therefore, the provided optical machine can be applied to all electronic devices.

Description

A kind of ray machine and electronic installation

Technical field

The utility model belongs to the display technique field, relates in particular to a kind of ray machine and electronic installation.

Background technology

Usually, the light that display light source sends can be divided into P light and S light.Or select P light as projected light the LCOS projection light machine that represents display technique of new generation can only select wherein a kind of light as projected light,, or selects S light as projected light.And another kind of light will increase the brightness of projection screen when details in a play not acted out on stage, but told through dialogues, make existing ray machine contrast low.

The utility model content

The ray machine that provides a kind of contrast high is provided the purpose of the utility model embodiment.

The utility model embodiment is achieved in that a kind of ray machine, comprises support and the light source that is installed on described support, and the inwall that described support is relative with light source is provided with zigzag delustring tooth.

Another purpose of the utility model embodiment is to provide a kind of electronic installation that adopts above-mentioned ray machine.

The utility model embodiment in support the inwall relative with light source establish zigzag delustring tooth, make to be radiated at the parasitic light of described inwall through delustring odontodes secondary reflection, so reduced the parasitic light to screen through projection lens projects, and then reduce the brightness of projection screen when details in a play not acted out on stage, but told through dialogues, thereby promote the ray machine contrast.Thereby, this ray machine can be applicable to various electronic installations, especially can be applicable to portable minisize projection, mobile phone built-in type and circumscribed projection, language repeater projection, toy projection, DV built-in type and circumscribed projection, notebook or the usual teaching such as panel computer built-in type and circumscribed projection, in the product of life and toys.

The accompanying drawing explanation

Fig. 1 is the explosive view of the ray machine that provides of the utility model embodiment;

Fig. 2 is the cut-open view of the ray machine that provides of the utility model embodiment; And

Fig. 3 is the index path of the ray machine that provides of the utility model embodiment.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

The utility model embodiment in support the inwall relative with light source establish zigzag delustring tooth, make to be radiated at the parasitic light of described inwall through delustring odontodes secondary reflection, so reduced the parasitic light to screen through projection lens projects, and then reduce the brightness of projection screen when details in a play not acted out on stage, but told through dialogues, thereby promote the ray machine contrast.

The LED of below usining is described in detail realization of the present utility model as the LCOS projection display technique of light source.

As shown in Figures 1 to 3, the ray machine that the utility model embodiment provides comprises hollow stent 1 and the light source 2 that is installed on described support 1, and the inwall that described support 1 is relative with light source 2 is provided with zigzag delustring tooth 3.Make like this parasitic light that is radiated at described inwall through delustring tooth 3 Multi reflections, reduced the parasitic light that is projected to screen through projection lens 4, and then reduce the brightness of projection screen when details in a play not acted out on stage, but told through dialogues, thereby promote the ray machine contrast.

Preferably, described inwall has to arrange delustring tooth 3 and away from the groove 5 of projection lens 4.When parasitic light is projected to described inwall like this, will enter described groove 5, after described delustring tooth 3 Multi reflections, diminish from the probability of described projection lens 4 outgoing, and make this ray machine contrast higher.

Wherein, described light source 2 is the LED that light emitting anger is 120～180 °.Pass through a DBEF6(Dual Brightness Enhancement Film at this, double brightness enhancement film) light described LED sent is divided into P light and S light, like this in order to utilize wherein a kind of light, and another kind of light will be kept out between a DBEF6 and LED by a described DBEF6 as invalid light.The high angle scattered light of herein first by collector lens 7, described LED being sent is converted into low-angle light, then makes described low-angle ray cast to LCOS chip 8, by described LCOS chip 8, is converted into required projected light.Hence one can see that, and the light that described LED sends is projected to keep out a DBEF6 of invalid light transmission after collector lens 7 is assembled.

Support 1 described in the utility model embodiment is provided with delustring screw thread 9 between the inwall of 7 of light source 2 and collector lenses, so make to be radiated at the parasitic light of described delustring screw thread 9 through delustring screw thread Multi reflection, reduce by the parasitic light of described collector lens 7, this will contribute to promote the ray machine contrast.

Now using see through a described DBEF6 S light as utilizing light, the P light of being kept out between a described DBEF6 and LED is that example describes as invalid light.S light through a described DBEF6 outgoing is projected to the 2nd DBEF10, then by described the 2nd DBEF10, reflex to LCOS chip 8, then by described LCOS chip 8, be converted into required projected light, described projected light is P light, and the S light that described LCOS chip 8 will be projected on it is converted into P light.Hence one can see that, and the light that is projected to described the 2nd DBEF10 is the S light time, and described invalid light is P light.If being projected to the light of described the 2nd DBEF10 is the P light time, described invalid light is S light.Usually, a described DBEF6 can only keep out most of P light between itself and LED, and fraction P light will successively see through a DBEF6 and the 2nd DBEF10 along the optical axis of described LED, enter described groove 5, thereby reach extinction effect.

Aforementioned projected light first is transmitted through projection lens 4 by described the 2nd DBEF10, the 3rd DBEF11.The cutting direction that it should be noted that described the 2nd DBEF10 is identical with the cutting direction of the 3rd DBEF11, so just can make described projected light first by the 2nd DBEF10, the 3rd DBEF11, be transmitted through projection lens 4.Wherein, a described DBEF6 is cambered surface and is placed in support 1, the cutting opposite direction of its cutting direction and the 2nd DBEF10.Because described LED central light strength is greater than peripheral light intensity, a DBEF6 who is arranged to arc surfaced herein is equivalent to a cylindrical mirror, even intensity while making the described DBEF6 of S light transmission.In addition, described the 2nd DBEF10 is plane and is placed in support 1, and at 45 ° with the optical axis intersection of described LED.Described the 3rd DBEF11 is plane or cambered surface is placed in support 1, and perpendicular to the optical axis of described projection lens 4.Now because producing a small amount of S light, a variety of causes kept out in support 1 by described the 3rd DBEF11, because of the P light be transformed through described LCOS chip 8, be projected light again, kept out like this brightness will not affect P light in details in a play not acted out on stage, but told through dialogues time of S light in described support 1, thereby further promoted the contrast of this ray machine.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a ray machine, comprise support and the light source that is installed on described support, it is characterized in that, the inwall that described support is relative with light source is provided with zigzag delustring tooth.

2. ray machine as claimed in claim 1, is characterized in that, described inwall has to arrange the delustring tooth and away from the groove of projection lens.

3. ray machine as claimed in claim 1 or 2, is characterized in that, the light that described light source sends is projected to keep out a DBEF of invalid light transmission after collector lens is assembled.

4. ray machine as claimed in claim 3, is characterized in that, the inwall of described support between between light source and collector lens is provided with the delustring screw thread.

5. ray machine as claimed in claim 3, is characterized in that, through the light of a described DBEF outgoing, is projected to the 2nd DBEF, then by described the 2nd DBEF, reflexes to the LCOS chip, then by described LCOS chip, is converted into required projected light.

6. ray machine as claimed in claim 5, is characterized in that, described projected light first is transmitted through projection lens by the 2nd DBEF, the 3rd DBEF, and the cutting direction of described the 2nd DBEF is identical with the cutting direction of the 3rd DBEF.

7. ray machine as claimed in claim 6, is characterized in that, a described DBEF is cambered surface and is placed in support, the cutting opposite direction of its cutting direction and the 2nd DBEF.

8. ray machine as claimed in claim 7, is characterized in that, described the 2nd DBEF is plane and is placed in support, and at 45 ° with the optical axis intersection of described light source; Described the 3rd DBEF is plane or cambered surface is placed in support, and perpendicular to the optical axis of described projection lens.

9. ray machine as claimed in claim 5, is characterized in that, described light source is LED; The light that is projected to described the 2nd DBEF is the S light time, and described invalid light is P light; The light that is projected to described the 2nd DBEF is the P light time, and described invalid light is S light.

10. an employing is as the electronic installation of the described ray machine of any one in claim 1～9.