CN100426207C - Light-source module and optical module with light-sensitive module fitted on carriage - Google Patents

Light-source module and optical module with light-sensitive module fitted on carriage Download PDF

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Publication number
CN100426207C
CN100426207C CNB2005101037907A CN200510103790A CN100426207C CN 100426207 C CN100426207 C CN 100426207C CN B2005101037907 A CNB2005101037907 A CN B2005101037907A CN 200510103790 A CN200510103790 A CN 200510103790A CN 100426207 C CN100426207 C CN 100426207C
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China
Prior art keywords
module
support
optical module
light source
light
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Expired - Fee Related
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CNB2005101037907A
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Chinese (zh)
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CN1936801A (en
Inventor
郭政忠
邱和风
翁仁群
林贞秀
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Lite On Technology Changzhou Co Ltd
Lite On Technology Corp
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Lite On Technology Corp
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Priority to CNB2005101037907A priority Critical patent/CN100426207C/en
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Publication of CN100426207C publication Critical patent/CN100426207C/en
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Abstract

This invention discloses an optical module which consists of a bracket, an illuminant module which was placed on one side of the bracket, and a photographic module which was used to measure the reflected beam from a plane by the illuminant module. The illuminant module consists of an illuminant and a protecting component covered on the illuminant to form a lens. The photographic module consists of a sensor chip and a protecting component covered on the chip to form a lens for beam focusing.

Description

Light source module and illuminant module are located at the optical module on the support
Technical field
The present invention relates to a kind of optical module, particularly relate to a kind of light source module and illuminant module and be located at optical module on the support.
Background technology
See also Fig. 1, Fig. 1 is the cut-open view of existing optical mouse 10 structures.Optical mouse 10 mainly includes a light emitting diode (light-emitting diode, LED) 12, one holder (holder) 14, a lens combination 16, lens 18, a glue shell (housing) 22, a sensor chip (sensor chip) 24, one conducting bracket (conductive frame) 26 (having a plurality of legs 13), an aperture (diaphragm) 28, a printed circuit board (PCB) (printed circuit board, PCB) 30 and one base 40.Light emitting diode 12, holder 14, lens combination 16 constitute existing polishing system (light-generating system).Existing imaging system (imaging system) is made of with aperture 28 lens 18 (being arranged in the lens combination 16), glue shell 22, sensor chip 24, conducting bracket 26, and is fixed on the base 40 after polishing system and the imaging system combination.
For the polishing system, light emitting diode 12 is in order to launch a light beam L1 ' to a using planar 31, holder 14 is in order to the fixing position of light emitting diode 12, lens combination 16 then can be with 12 emitted light beams L1 ' of light emitting diode, by the mode of reflection, with the imaging area of light beam L1 ' with a suitable angle (all being mode mostly) directive using planar 31 with oblique fire with refraction.
For imaging system, conducting bracket 26 is in order to the fixing position of sensor chip 24, and supply power and signal are given sensor chip 24.Glue shell 22 is the black colloid of an injection mo(u)lding; it is a space container; be used for protecting sensor chip 24; and it includes a lower cover; this lower cover has a hole (aperture); therefore this lower cover can be used as an aperture 28 uses, and the function of aperture 28 is covers unwanted light beam to improve the optical imagery quality.In addition, lens 18 are to be used for the reflected light of imaging area on the using planar 31 is concentrated to sensor chip 24, and printed circuit board (PCB) 30 is to transmit the image that sensor chip 24 is sensed, and exports image information to a control element (not shown), with direction and the distance of judging that optical mouse 10 moves.In addition, but printed circuit board (PCB) 30 power supplies and are connected to come auxiliary fixedly sensor chip 24 and light emitting diode 12 with conducting bracket 26 in sensor chip 24 and light emitting diode 12 with holder 14.
See also Fig. 2; Fig. 2 is the exploded view of Fig. 1 optical mouse 10.Since all elements in the necessary constitutional diagram 2, so the structure of optical mouse 10 is comparatively complicated, also comparatively difficult in the assembling.For instance, positioning lens group 16 and light emitting diode 12 exactly are so that 12 emitted light beams of light emitting diode can directly be injected lens combination 16.In addition, the position between positioning lens 18 and the sensor chip 24 is also very important, can't be decided to be the position of this two elements during as if assembling exactly, then can reduce the sensitivity of optical mouse 10.
Summary of the invention
The present invention relates to a kind of light source module and illuminant module and be located at optical module on the support, to solve the above problems.
The optical module that the present invention discloses comprises a support, and a light source module is located at first end of this support, and an illuminant module, is located on this support, is used for this light source module of sensing to be projected to the light that a using planar is reflected.This light source module comprises a light source, and a protecting component, is covered on this light source, and this protecting component is that part forms lens.This optical module comprises a circuit board in addition, and this support comprises a plurality of legs, and a plurality of legs of this support are to be fixed on this circuit board.
Description of drawings
Fig. 1 is the synoptic diagram of existing optical mouse;
Fig. 2 is the exploded view of optical mouse among Fig. 1;
Fig. 3 is the synoptic diagram of optical mouse structure of the present invention;
Fig. 4 is the synoptic diagram of another embodiment of optical mouse of the present invention;
Fig. 5 is the exploded view of Fig. 3 optical mouse;
Fig. 6 does not have the exploded view of another embodiment of bracing frame for optical mouse of the present invention.
Embodiment
In order to solve the problem in the prior art, the invention provides a kind of structure of optical mouse.
See also Fig. 3; Fig. 3 is the synoptic diagram of optical mouse 100 structures of the present invention.The conducting bracket 60 of optical mouse 100 is provided with a sensor chip 62 and a light source 64, and this light source can be a light-emitting diode chip for backlight unit, and 60 one-tenth one knuckles 63 of conducting bracket between sensor chip 62 and the light source 64, about knuckle 63 in after detailed description is arranged.
The framework of aperture is formed by the adjutage 66 of conducting bracket 60.Have an aperture 65 on the adjutage 66, aperture 65 is arranged in the top in sensor chip 62 light sensing zones by bending adjutage 66, is used for the image formation by rays after focusing on sensor chip 62.Yet, as shown in Figure 4, also can utilize lid 68 with an aperture 67, extraly aperture framework (lid 68) is set up on the conducting bracket 60, also can reach identical effect.
Please continue to consult Fig. 3.Protecting component 70 is covered in sensor chip 62 and light source 64, for example on the light-emitting diode chip for backlight unit, and forms lens 72,74.Lens 74 are used for light that focused light source 64 produced being projected to a using planar 88, and lens 72 are used for light focusing that using planar 88 is reflected.Protecting component 70 can be resin (epoxy), for example its be can be anti-the thermosetting cement (thermosetting compound) of 265 degree high temperature.If protecting component 70 is a transparent resin, the visible light emitting diode of then can arranging in pairs or groups, as red, blue or green light emitting diode, or laser diode (laser diode, use LD).If protecting component 70 is the transparent opaque resin of infrared ray, the infrared light-emitting diode of then can arranging in pairs or groups.Therefore embodiment among Fig. 3 of the present invention and Fig. 4 can be clear that each element in the protecting component 70 for using transparent resin.The material of protecting component 70 does not limit above-described material, and any material that can be used to protect chip or form lens all is a category of the present invention.
Shown in the light path of Fig. 3, utilize lens 74 to guide light that light source 64 produced to using planar 88, so that sensor chip 62 can receive maximum reflection rays.Therefore the size of knuckle 63 light of wanting suitably just can to make light emitting diode 64 injection mouldings via the refraction action of lens 74 be projected to sensor chip 62 receive the light zones under.
Sensor chip 62 and a plurality of legs 61 of light source 64 by conducting bracket 60 are fixed on the printed circuit board (PCB) 80.Printed circuit board (PCB) 80 is fixed on the fixed leg 83 of a base 84, sensor chip 62 is fixed on the bracing frame 82 with light source 64, and bracing frame 82 has the unnecessary veiling glare of blocking-up, the light intensity that increases by 64 dozens of useful area on using planar 88 of light source and the injection moulding angle of positioned light source 64.Element among Fig. 3 is disassembled, and as shown in Figure 5, Fig. 5 is the exploded view of optical mouse 100 of the present invention.Bracing frame 82 comprises two holes 821,822 and an inclined-plane 823, and hole 821,822 is respectively in order to holding lens 72,74, and inclined-plane 823 is in order to supporting knuckle 63, changes because of external force or other factors with the angle of avoiding knuckle 63.Bracing frame 82 is fixed in the framework 85 on the base 84.Fig. 2 compares, the mode of combination optical mouse 100 of the present invention is simpler, the optical element 86 (it comprises sensor chip 62, light source 64 and lens 72,74) that only needs to combine is welded in printed circuit board (PCB) 80, recombinant printed circuit board (PCB) 80, bracing frame 82 and base 84 can be finished the assembling of optical mouse 100.In addition, also can omit the bracing frame 82 among Fig. 5, as shown in Figure 6, it is after 80s that optical element 86 is welded in printed circuit board (PCB), and printed circuit board (PCB) 80 is fixed in fixed leg 83 on the base 84, promptly finishes assembling.
Be compared to prior art, earlier with sensor chip, light source, for example light-emitting diode chip for backlight unit is combined into one by protecting component before the combination optical mouse in the present invention, and utilizes the mode of protecting component formation lens, to simplify the structure of optical mouse.In addition,, therefore only need to adjust the angle of support between sensor chip and the light-emitting diode chip for backlight unit, can locate this two elements, accurate orientation problem when therefore avoiding assembling in the prior art because sensor chip and light-emitting diode chip for backlight unit all are arranged on the support.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (20)

1. optical module, it comprises:
One support;
One light source module is located at first end of this support, and this light source module comprises a light source, and a protecting component, is covered on this light source, and this protecting component is that part forms lens; And
One illuminant module is located on this support, is used for this light source module of sensing to be projected to the light that a using planar is reflected,
Described optical module comprises a circuit board in addition, and this support comprises a plurality of legs, and a plurality of legs of this support are to be fixed on this circuit board.
2. optical module as claimed in claim 1, wherein this illuminant module comprises a sensor chip, and a protecting component, is covered on this sensor chip, this protecting component is that part forms lens, is used for light focusing to the reflection of this using planar.
3. optical module as claimed in claim 2, wherein the protecting component of the protecting component of this light source module and this illuminant module is a resin.
4. optical module as claimed in claim 1, wherein this light source is a light emitting diode.
5. optical module as claimed in claim 2, it comprises an aperture in addition, is located between the sensor chip and lens of this illuminant module.
6. optical module as claimed in claim 5, wherein this aperture is formed on the adjutage of this support.
7. optical module as claimed in claim 5, it comprises a lid in addition, is fixed on this support, wherein this aperture is formed on this lid.
8. optical module as claimed in claim 1, it comprises a bracing frame in addition, this light source module and this illuminant module are fixed on this bracing frame.
9. optical module as claimed in claim 8, it comprises a base in addition, this bracing frame is fixed on this base.
10. optical module as claimed in claim 1, wherein this support has a knuckle, and this light source module and this illuminant module are arranged at the heteropleural mutually of this support.
11. optical module as claimed in claim 1, it is an optical mouse.
12. an optical module, it comprises:
One support;
One light source module is located at first end of this support; And
One illuminant module is located on this support, and this illuminant module comprises a sensor chip, and a protecting component, is covered on this sensor chip, and this protecting component partly forms lens, be used for this light source module is projected to the light focusing that a using planar is reflected,
Described optical module comprises a circuit board in addition, and this support comprises a plurality of legs, and a plurality of legs of this support are fixed on this circuit board.
13. optical module as claimed in claim 12, it comprises an aperture in addition, is located between the sensor chip and lens of this illuminant module.
14. optical module as claimed in claim 13, wherein this aperture is formed on the adjutage of this support.
15. optical module as claimed in claim 13, it comprises a lid in addition, is fixed on this support, and wherein this aperture is formed on this lid.
16. optical module as claimed in claim 12, wherein the protecting component of this illuminant module is a resin.
17. optical module as claimed in claim 12, it comprises a bracing frame in addition, and this light source module and this illuminant module are fixed on this bracing frame.
18. optical module as claimed in claim 17, it comprises a base in addition, and this bracing frame is fixed on this base.
19. optical module as claimed in claim 12, wherein this support has a knuckle, and this light source module and this illuminant module are arranged at the heteropleural mutually of this support.
20. optical module as claimed in claim 12, it is an optical mouse.
CNB2005101037907A 2005-09-23 2005-09-23 Light-source module and optical module with light-sensitive module fitted on carriage Expired - Fee Related CN100426207C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005101037907A CN100426207C (en) 2005-09-23 2005-09-23 Light-source module and optical module with light-sensitive module fitted on carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005101037907A CN100426207C (en) 2005-09-23 2005-09-23 Light-source module and optical module with light-sensitive module fitted on carriage

Publications (2)

Publication Number Publication Date
CN1936801A CN1936801A (en) 2007-03-28
CN100426207C true CN100426207C (en) 2008-10-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6923972B2 (en) * 2019-12-17 2021-08-25 株式会社Ｓｕｓａ Ｉｎｃ． Electronics

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1402186A (en) * 2001-08-14 2003-03-12 三星电机株式会社 Upper chip for secondary board of optic mouse
CN1426117A (en) * 2001-12-13 2003-06-25 诠兴开发科技股份有限公司 Surface mounted light-emitting diode with micro lens
CN2715249Y (en) * 2004-05-08 2005-08-03 立信科技股份有限公司 Optical mouse structure
CN2722334Y (en) * 2004-06-28 2005-08-31 立信科技股份有限公司 Structural improvement of optical system for optical mouse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1402186A (en) * 2001-08-14 2003-03-12 三星电机株式会社 Upper chip for secondary board of optic mouse
CN1426117A (en) * 2001-12-13 2003-06-25 诠兴开发科技股份有限公司 Surface mounted light-emitting diode with micro lens
CN2715249Y (en) * 2004-05-08 2005-08-03 立信科技股份有限公司 Optical mouse structure
CN2722334Y (en) * 2004-06-28 2005-08-31 立信科技股份有限公司 Structural improvement of optical system for optical mouse

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Owner name: LITE-ON TECHNOLOGY (CHANGZHOU) CO., LTD.

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Address after: 213166 Wujin high tech Industrial Development Zone, Jiangsu Province, Yang Lake Road, No. 88

Patentee after: LITE-ON TECHNOLOGY (CHANGZHOU) CO., LTD.

Patentee after: Lite-On Technology Corporation

Address before: Taipei City, Taiwan, China

Patentee before: Lite-On Technology Corporation

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Granted publication date: 20081015

Termination date: 20170923