CN1950788A - Pointing device with an integrated optical structure - Google Patents
Pointing device with an integrated optical structure Download PDFInfo
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- CN1950788A CN1950788A CNA2005800076480A CN200580007648A CN1950788A CN 1950788 A CN1950788 A CN 1950788A CN A2005800076480 A CNA2005800076480 A CN A2005800076480A CN 200580007648 A CN200580007648 A CN 200580007648A CN 1950788 A CN1950788 A CN 1950788A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/22—Treatment by sorption, e.g. absorption, adsorption, chemisorption, scrubbing, wet cleaning
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Abstract
The present invention relates to a micro-optical pointing device suitable for mobile terminals such as a cellular phone and PDA. A disclosed pointing device includes a light source emitting light rays to a subject; a contact member comprising a lattice type or perceivable pattern, which reflects an image of the moving subject; and an automatic transfer device restoring the contact member moved by a finger. The pointing device may further include a flip chip containing an image sensor, which converts the acquired image into an electronic signal, and a circuit for signal processing. The pointing device may include an integrated optical structure comprising a condensing lens, a specular surface, a light output part, and an image-formation lens. The pointing device may include a light guide structure that a parallel light prism lens, an image-formation lens, and a mask for blocking disturbance ray are formed into a single part.
Description
Technical field
The invention relates to a kind of optical pointer device with integrated optical structure, and it is clearer and more definite, be a kind of micro-optical indicator device that is applicable to such as running gears such as mobile phone and PDA(Personal Digital Assistant)s, the micro-optical indicator device can: by utilizing wafer scale crystal covering type semi-conductor packaging (wafer scale Flip Chip in Semiconductor Package) and it is combined into an optical texture of integrating and can be applied to require in waterproof and the dustproof electronic installation; Can disturb light and promote optical efficiency by concentrating from the light of a light source and stopping; Can be by in judging whether this mobile phone is just using, and when this terminating machine is not used, it is switched to battery saving mode and reduce power loss, and prolong the running time of the mobile phone that uses secondary cell; And optical texture and other structure can be integrated and be encapsulated in the little space to be installed on the small mobile terminals machine.
Background technology
General optical pointer device can capture the image on the surface that can move for mouse on it, and this mouse uses optical devices and the two-dimension optical inductor array that comprises complementary metal oxide semiconductor (CMOS) image sensor.When this mouse was in motionless state, then institute's picked image can not change.Yet when this mouse moved, institute's picked image can change.For this mouse moving is calculated in the variation of using this pick-up image, then must use mobile estimating method (motion estimation method).
Fig. 1 illustrates the synoptic diagram of a traditional indicator device.With reference to figure 1, to the surface of a target, and can penetrate imaging len (image-formation lens) 20 and generate image at image sensor 30 from the light that this target reflection comes out from the irradiate light of light emitting diode (LED) 10.This image sensor 30 changes into an electronic signal with formed image, and subsequently this electronic signal is sent to a data processing partly.This data processing partly can this target of branch factorial moves and the image that changes along with the time, and the moving direction and the amount of movement of this target is converted to 2-D data.
Conventional optical mouse is fixed contact element simultaneously by a mobile optical module and inductor, and the mode of just responding to pattern is come the variation on the sensed position.Because moving optical assembly and inductor are exactly mobile this mouse itself, so this conventional optical mouse can't be applied in such as running gears such as mobile phone or PDA, and these running gears are that size is little and require the miniature accessory of high mobility.In addition, because the user must have this outfit of mouse itself, so this conventional optical mouse is for also inconvenient such as commander's operation of recreation.
In korean patent application case 2002-0073432 number, Brosnan company discloses the user of a kind of choice menus (menu) and appreciation electronic apparatus and the method for this electronic apparatus.The electronic apparatus of Brosnan company need not use extra device to operate, but utilize menu-driven and menu item pointer (or claiming cursor) to operate, and discern specific user by the analysis operation pattern with a plurality of function choosing-items.Yet this type of conventional art must move this menu item pointer with the imaging surface of this electronic installation of finger friction.For this menu item pointer is moved on the specific function choosing-item, user's this imaging surface that must rub for several times, and the mobile degree of accuracy of finger on this imaging surface affects the detecting of function choosing-item again.
In open case 2002-0063338 number of the Korean Patent, applicant Lim discloses and a kind ofly uses running gear itself as indicator device by differentiating the mode whether the pointer functionality button just be pressed.Though it is in addition microminiaturized that the portability running gear that is disclosed comes by the reduction display space, the advantage of this portable type running gear is need not use independently indicator device can carry out pointer functionality.Yet the shortcoming of the portability running gear of Lim is must be full of this action device itself for the display screen that scrolls to little medicine.
In open case 2002-0075243 number of the Korean Patent, people such as Hwang disclose a kind of individual mobile terminal computer, this terminating machine is that the principle of applied optics induction mouse reaches the fast pen travel than conventional screen touch PDA, and avoids causing screen smudgy because of the touching screen.Yet the technology that is disclosed must use independently hardware button carrying out selection procedure, and must move this PDA itself and set the position of pointer.
On the other hand, in general indicator device, can be that the CMOS image sensor of electronic signal and being used for is handled from the signal processing unit of the signal of CMOS image sensor and made semi-conductor chip with being used for video conversion.This semi-conductor chip is to utilize dual-in-line package method (DIP) made.In this dual-in-line package method, utilize wire bonds (wire bonding) method that chip is connected to lead frame (lead frame), with resin it is encapsulated subsequently.In the method, can on the end face of lid, forming perforate, make light can pass this perforate and arrive on the imaging surface.Yet, require additional space to hold this lead frame and this wire bonds with this dip method, also therefore can't be applied in the electronic installation such as minimum optical mouse of needs such as mobile phones.
In order to make the micro-optical indicator device, must use the encapsulation technology of wafer size level.Be generally used for the CMOS image sensor of imaging (image-formation) and be used for becoming the signal processing unit of two-dimentional mobile data to be received to one chip the conversion of signals of this COMS image sensor.Reach microminiaturized and thinning effect on the surface-mounted integrated circuit for chip is installed in, be to use auxiliary circuit board.This chip is to utilize wire bonds and be bonded on this support circuit plate.The just known chip of this kind method directly weld the substrate method (chip on board, COB).Yet this COB method is understood some problem in carrying out automation process, and for example auxiliary circuit board must increase additional process steps and puzzlement to some extent on surface mounting technique (SMT) and productive setization because use independently.
In another aspect, indicator device mainly uses LED as the radiation source in order to image capture.This illumination is to adopt to receive and can reduce to minimum structure from the error that reflection ray caused on surface.Use convex lens or have the optical system of the non-spherical lens of similar characteristics as image generation usefulness with convex lens.As shown in Figure 1, in conventional optical image acquisition device,, form image at image sensor 30 and can see through imaging len 20 from the light of this object reflected back from the irradiate light of LED surface to object.
Recently, the widely popular graphical user interface of having is to carry out the wireless mobile device of multiple application program.In order to develop the indicator device that the wireless mobile device that can effectively use these application programs, just researching and developing at present and be incorporated into all optical components in little the space in and reduce to loss of light source minimum and make optical efficiency be promoted to the method for maximum.
In open case 2003-0048254 number of the Korean Patent, the single unit package device of optical sensor, optical lens and LED and the optical mouse that contains this device have been integrated by one kind of ㄓ that Lee discloses.Yet single unit optical mouse that Lee disclosed and position make irradiate light inhomogeneous and parallel with illuminated surface through design.
In open case 2002-0014430 number of Korean Patent, indicator device is arranged to use multiple application program by figure user interface effectively by a kind of wireless mobile End of Data facility that Choi disclosed.Yet, the wireless mobile End of Data machine that Choi disclosed is to adopt general prism method, it will be from after the reflection of the light of light source, on irradiate light to a contact element of reflection, also therefore possible owing to around disturb light to enter to operate in the inductor not normal.In addition, this kind prism method can't produce parallel rays.
Summary of the invention
A target of the present invention provides a kind of micro-optical indicator device, it can be applied to have such as mobile phone and PDA etc. the Portable running gear of high mobility, and by implement using lattice type can feel that maybe pattern is as contact element, make it better optical efficiency be arranged, because of being minimized the consumption of electric power than the method that directly on contact element, rubs with finger.
Other direction of the present invention is, by use crystal covered chip (flip chip) that a kind of wafer-thin or miniature indicator device are provided in the conventional optical mouse that is used for personal computer, to be used for the Portable running gear.
Other direction of the present invention is to provide a kind of micro-optical device, it is adjustable lay the grain is learned the light that light source produced in the device and can be shone facet non-perpendicular to light going direction equably, and this optical devices make these optical devices when the image capture zone of this indicator device of irradiation through design, and the light in the irradiated area evenly and be directional light.
The another direction of the present invention is to provide a kind of integrated two-dimentional indicator device, it is installed on the small mobile terminals machine by all optical textures and other structure being integrated with being encapsulated in the little space, and by concentrate light and make parallel, make the light that comes from light source to expose in the localized area equably and stop and disturb light and the light utilization ratio is promoted to maximum.
To summarize herein and direction, other advantage and the object of the invention of implementing in order reaching, to the invention provides a kind of two-dimentional indicator device, it comprises: emission light is to the light source of target; Comprise the contact element that lattice type maybe can sensation figure (lattice type or perceivable pattern), it can reflect the image of this target in moving behind the light that receives from light source; The touch-control surface of image acquisition member (handling surface), this image acquisition member are positioned on this contact element and have the surface of the friction force between promoting and point; Image optics is finished thoroughly, and it is sent to optical sensor in order to assemble from the reflection ray of this contact element and the light that will assemble; Automatic conveyor, it can restore to the original state this contact element that was moved by finger; And, this optical sensor, it receives the electronic signal that is converted to from the reflected image in this optical lens border and general.This has clathrate can feel that maybe the contact element of pattern can be designed, and its automatic conveyor that can be contained in absolute construction is transmitted.The present invention by the touch-control surface that forms image acquisition member and on this contact element formation place bump inductor, and only when inductor is bumped at this place of finger contact, just light this light source and reduce power loss.In addition, the present invention stops light when this indicator device is in the non-use, to avoid interference user's sight line.
Other direction of the present invention can be reached by the indicator device that comprises following member, and this indicator device comprises: emission light to one target light source; Image acquisition member, it has presumptive area in order to the light of reflection from light source; Imaging len comes from the reflection ray of this image acquisition member in order to gathering; Printed circuit board (PCB) (hereinafter to be referred as PCB) is mounted with a plurality of parts of light source chip, crystal covered chip and forming circuit on it, this printed circuit board (PCB) has perforate on it to be passed through for the image from this saturating border of imaging; And this crystal covered chip has image sensor, and it can will become electronic signal from the saturating quiet video conversion of this imaging; And be used for the circuit of processing signals, wherein this crystal covered chip is positioned on the opposition side of imaging len of these printed circuit board (PCB) central authorities.Clearer and more definite, the indicator device that this that done according to the present invention comprises crystal covered chip can be applied in the electronic equipment of the minimum indicator device of needs, mobile phone for example, and its size is less than 1 square centimeter.
Other direction of the present invention can be reached by the optical devices of the indicator device that comprises following member, it comprises: can launch light source, integrated optical structure, power supply and the signal connection end of light to target, wherein this integrated optical structure comprise one in order to gathering come from the light of light source collector lens, in order to the reflecting surface (specular surface) that reflects this collected light and in order to by or this catoptrical smooth delivery channel of output, and this power supply and signal connection end be in order to provide electric power and with extraneous switching signal.Herein, this light source is to be placed in living of this collector lens on every side and by complete package.This power supply and signal connection end are protruding.
Other direction of the present invention can be reached by integrated two-dimentional indicator device, and it comprises: can launch light and limit light source to target; Parallel light prism, its order becomes directional light and reflects this directional light from the light of this light source; Contact element is in order to accept from the directional light of this parallel light prism and the movable image of this target of acquisition; Imaging len is in order to focus on the image from this contact element; Shielding, it is neighbouring to stop interference light that it is positioned at this imaging len; Image sensor, its video conversion that will come from this imaging len becomes electronic signal; The shell that links together with this parallel light prism and this imaging len conformability; And, fixing the printed circuit board (PCB) of this image sensor on it.
Description of drawings
Fig. 1 is the synoptic diagram of traditional indicator device.
Fig. 2 shows the indicator device of being done according to the present invention with automatic conveyor.
The sectional view of the warning line of the contact element that Fig. 3 is illustrating according to the present invention to be done.
The synoptic diagram of the touch sensor that Fig. 4 illustrates according to the present invention to be done and the touch-control surface of image acquisition member.
The synoptic diagram of the touch sensor that Fig. 5 is according to the present invention to be done.
Fig. 6 illustrates the indicator device example that has automatic conveyor according to the present invention.
Fig. 7 is the arrangement plan according to crystal covered chip of the present invention (Flip chip).
Fig. 8 is the sectional view that has the indicator device of crystal covered chip according to the present invention.
Fig. 9 illustrates according to the present invention optical devices and exposes to faceted synoptic diagram non-perpendicular to the source light direction equably.
Figure 10 is the image capture synoptic diagram partly that show to use in the optical image capture device of optical devices of Fig. 9.
The sectional view of the integrated two-dimentional indicator device that Figure 11 is according to the present invention to be done.
The exploded view of the integrated two-dimentional indicator device that Figure 12 is according to the present invention to be done.
The front perspective view of the integrated two-dimentional indicator device example that Figure 13 is according to the present invention to be done.
The rear view of the integrated optical image capture unit example that Figure 14 is according to the present invention to be done.
Figure 15 is the synoptic diagram that illustrates the light guide structure of the integrated two-dimentional indicator device of doing according to the present invention.
Embodiment
Can understand the object of the invention and advantage fully with reference to accompanying drawing and following detailed description.
The automatic conveyor synoptic diagram of the indicator device that Fig. 2 is according to the present invention to be done.
With reference to figure 2, from the irradiate light of light source 120 to contact element 100.Target contacts with this contact element 100.Light by these contact element 100 reflected backs is to form image on optical sensor 140 by imaging len 130.Herein, this contact element 100 comprises lattice type and maybe can feel pattern.
This contact element 100 can move by automatic conveyor 110, and this automatic conveyor 110 is arranged in the isolating construction, for example is arranged on the printed circuit board (PCB) 150 or keypad of mobile phone.This automatic conveyor 110 is made by resilient material, for example rubber (rubber) or silica gel (silicon), or made by magnetic material.When using resilient material to make this automatic conveyor, this contact element 100 is mobile on the plane by the elastic force of this resilient material, if when using magnetic material to make this automatic conveyor, 100 magnetic force by this magnetic material of this contact element move in the plane.
The warning line sectional view of the contact element that Fig. 3 is according to the present invention to be done.Consult Fig. 3, this contact element 100 is positioned at the center of warning line 200, and can move towards all directions in the scope of this warning line 200.Be positioned at around this contact element 100 by resilient material or this made automatic conveyor of magnetic material.Therefore, the user can move this contact element 100 on the desire direction, unless and the user force on this contact element 100, otherwise this contact element 100 can restore to original position by elastic force or magnetic force.
The touch-control surface of the image acquisition member that Fig. 4 is according to the present invention to be done and the synoptic diagram of touch sensor.The touch-control surface 300 of this image acquisition member is to be used for operating this contact element 100.The touch-control surface 300 of this image acquisition member is positioned at directly over this contact element 100.Touch-control surface 300 and this contact element 100 of this image acquisition member are mobile simultaneously.310 of this touch sensors when finger contacts with the touch-control surface of this image acquisition member, then are perceived as and are in the mode of operation around the touch-control surface 300 of this image acquisition member.Therefore, the present invention reduces power consumption by only improving this light-source brightness in mode of operation time side.The touch-control surface 300 of this image acquisition member is may be by rubber made or have the protrusion of surface structure, so the user can operate the touch-control surface of this image acquisition member easily.
The synoptic diagram of the touch sensor that Fig. 5 illustrates according to the present invention to be done.Consult Fig. 5, this touch sensor is to be positioned to around living this touch-control surface with image acquisition member and contact element in the warning line that wherein moves.Therefore, whether this touch sensor 310 can directly perceive finger and contact with the touch-control surface of this image acquisition member.When this contact element restores to the original position by this automatic conveyor, to point when not contacting this touch sensor simultaneously, this indicator device can not be perceived as this kind restoring action a kind of shift action.When the recovery speed of this contact element during greater than predetermined value, the touch-control surface of this this image acquisition member of indicator device perception is in not mode of operation.
In addition, because this touch sensor 310 has the function as the button, therefore the indicator device of being done according to the present invention need not a button independently.More detailed speech it, when the user pushes this thoughts and feelings when bumping inductor twice continuously in predetermined time period, the running of this touch sensor is as button.In this example, when this contact element restored to the original position, the contact element displacement that effective displacement of this contact element can deduct by the whole displacements with this contact element when finger leaves this touch sensor was calculated and is got
The enforcement example of the indicator device that Fig. 6 illustrates according to the present invention to be done with automatic conveyor.Consult Fig. 6, this contact element 100 is positioned at the below of the touch-control surface of this image acquisition member, the touch-control surface of this image acquisition member has in order to the protrusion of surface structure of smooth-going operation or made by rubber, makes this contact element 100 to move with the touch-control surface 300 in this image capture zone.Herein, are the belows that are formed at this contact element 100 by the made structure 500 of transparent material, so that this contact element 100 can move more smooth-goingly.The touch-control surface 300 of this image acquisition member can freely move in this warning line by this automatic conveyor 110 with this contact element 100.This send device 110 to be preferably by such as elasticity materials such as rubber or silica gel or magnetic material is constituted automatically.In addition, this automatic conveyor 110 may have the structure of bending or groove in order to transmit or restoring action smooth-goingly.
Fig. 7 illustrates the arrangement plan according to crystal covered chip of the present invention.Be that the encapsulation technology of using the wafer size level forms the micro-optical indicator device.The 7th figure shows the arrangement plan of the inductor that is encapsulated as wafer size.Consulting Fig. 7, is to form the CMOS image sensor 40 of image with being used for and in order to will become the processing unit 50 of two-dimentional mobile data to be designed to one chip from the conversion of signals of this CMOS image sensor 40.And beyond this image sensor affiliated area, on the presumptive area of chip, form circuit.Subsequently, a plurality of welded gaskets (bonding pads) 60 are disposed at this image sensor 40 with around this operating unit 50.Soldered ball (solder balls) is to be connected on these welded gaskets and to finish crystal covered chip (flip chip).This inductor crystal covered chip and light source chip (for example LED) are installed on the circuit board by the automatic surface erecting equipment, to form circuit structure cheaply.This kind circuit structure can be coupled with an integrated optical structure easily and closely.Therefore, the present invention is minimized manufacturing cost and improves quality by implementing this kind waterproof and dustproof structure.
Clearer and more definite, utilization is included in and is a kind ofly formed the wafer-thin circuit by use heavy distribution layer (RDL) method at crystal column surface, and feasible crystal covered chip according to the present invention need not to use auxiliary printing circuit board can be connected directly to the printed circuit board (PCB) of indicator device.
Fig. 8 illustrates the sectional view of the indicator device of the crystal covered chip that has according to the present invention to be done.Consult Fig. 8, this crystal covered chip 140 is the semi-conductor chips that contain image sensor 110 and signal processing circuit.A plurality of solder projections 120 are to be used for this crystal covered chip 140 is installed and is electrically connected on the little circuit board.The various piece that constitutes other circuit is to be placed on this printed circuit board (PCB) 150.
This crystal covered chip 140 comprises this image sensor 110.This printed circuit board (PCB) 150 has perforate 170 on it.170 of this perforates are directly over this image sensor 110.Light source 130 with at least the resistance conformability be installed on this printed circuit board (PCB) 150.This light source 130 is preferably light emitting diode (LED), laser diode or Organnic electroluminescent device (hereinafter to be referred as organic EL).Employed resistance is preferably more than one.This image sensor 110 is preferably CMOS image sensor or electric coupling image sensor (CCD).
The perforate 170 of this printed circuit board (PCB) 150 is made of transparent material, avoids being infected with pollutant or dust to protect this crystal covered chip 140.This perforate 1710 may more comprise optical filter to interdict non-essential light.
Specifically, the light that produced of this light source 130 expose to equably this its on the image acquisition member 160 of drop target.This light can be reflected by the optical design of this image acquisition member 160.From 150 the perforate 170 of the reflection ray of this image acquisition member 160, on the surface of this image sensor 110, form image subsequently by this imaging len 100 and this printed circuit board (PCB).The video conversion that will be formed on this image sensor 110 by this image sensor 110 becomes electronic signal.Afterwards, this electronic signal is to input in the signal processing unit and convert digitized video to.
In above-mentioned indicator device, what the image capture action was carried out is exceedingly fast.At this moment, need utilize mobile estimating method to measure this displacement variable by a plurality of images that generated in the relatively more contiguous time.As mentioned above, by the image of obtaining from the image acquisition member that is placed with target on this its, and analyze the variation of this obtained as time passes image, the present invention can realize being similar to the indicator device of the mouse that is used for personal computer.
Fig. 9 illustrates the faceted synoptic diagram of the lighting device uniform irradiation of the optical mouse according to the present invention non-perpendicular to this source light direction.Consult Fig. 9, compared to whole optical texture, this light source 100 has less relatively size.The light that collector lens 110 is assembled from this light source, and subsequently this collected light is sent to reflecting surface 120.This reflecting surface 120 is for being covered with reflective film, and is several according to the refraction of employed optical material, and this reflecting surface 120 can be fully-reflected plane or mirror plane.These reflecting surface 120 these incident lights of reflection.Light output part 130 is plane or concave lens-shaped.In light output part 130, this incident light is converted into parallel rays.One optical material member 140 is connected to this collector lens 110, this reflecting surface 120 and light output part 130.This light source 100 closely is enclosed in contiguous these collector lens 110 places.Protruding in order to the power connector end 190 that these light source 100 electric power are provided.
This light source 100 is positioned at the focus (focus) of contiguous this collector lens.Can assemble light by this collector lens 110 from this light source.This collected light arrives at this reflecting surface 120, and is reflected inferior.This reflection ray exposes to this image acquisition member 160 by light output part 130.
Be close to parallel light because above-mentioned structure of optical means can form,, make light intensity can change with distance hardly so can in this image acquisition member 160, reach radiation response relatively uniformly.In indicator device according to the present invention, become the main direction that is different from this output light from the main direction of the light of this light source 100.
By the angle between the direction of dwindling this image acquisition member 160 and this output light, therefore can make the kick or the dolly dimple that are positioned at this target on this image acquisition member 160 can produce bigger shade, optical identification goes out this target on this image acquisition member 160 well.Integral part thereof 150 is to be used for fixing this light source 100 and a plurality of opticators 110～140, and avoids extraneous light inflow device inside, also avoids internal light to see through the zone except output area and leaks in the external world.This integral part thereof 150 is to utilize optical shield or have the structure of similar functions and become integrated structure, and can combine with printed circuit board (PCB) or similar circuit.
When this light source that has a said structure when use was used as the light-emitting device of optical mouse, this light-emitting device can be applied in the mobile phone with optical mouse function, for example mobile phone or PDA etc.At this moment, this light source is preferably LED, laser diode (laser diode) or Organnic electroluminescent device (organic EL).
Figure 10 illustrates the synoptic diagram of the image capture part of the optical image acquisition part that uses optical devices among Fig. 9.Consult Fig. 9, imaging len 170 is that the image in order to self imaging acquisition in future part 160 is formed on the image sensor 180.Specifically, see through spherical or non-sphere lens 110 is assembled from the light of this light source 100, with back reflection on reflecting surface 120.This reflection ray is exported by output 130.The parallel rays of exporting by this output 130 exposes on this image acquisition member 160 to form image.This imaging len 170 is preferably convex lens or non-sphere lens.
These opticators 110～140 that are used for irradiation light according to the present invention can be made into a plurality of different pieces or make single part with the opticator 170 that is used to form image.The circuit that can utilize printed circuit board (PCB) or have a similar functions is made single part with these opticators 110～140 that this is used for irradiation light with the opticator 170 that is used to form image.At this moment, these opticators 110～140 and imaging len are mounted on this printed circuit board (PCB) or the circuit and become single part.
Figure 11 shows another embodiment of the two-dimentional indicator device of being done according to the present invention.Specifically, Figure 11 is the sectional view that comprises the two-dimentional indicator device of integrated optical device.Consult Figure 11, this integrated optical device comprises following: parallel light prism 120, so that become directional light and can make this light uniform irradiation to optics pad (that is, contact element 165) from the light of this light source 130; One shielding 150 is in order to avoid interference the input of light; And imaging len 180 comes from the image of contact element 165 in order to focusing.Can be to make single part with this imaging len 180 with this parallel light prism 120, this shielding 150.This parallel light prism 120 comprises a plane of incidence 194, from the light of this light source is to see through this plane of incidence and enter this and will reflex to the reflecting surface 195 of this contact element 165 from the light of this plane of incidence 194, and is by exit surface 196 from the reflection ray of this reflecting surface 195.
The integrated optical device (that is, the light guide structure) that will comprise this parallel light prism 120, this shielding 150 and this imaging len 180 combines with shell 110 again, to form integrated structure.This kind structure can make in the assembled component process because of error causes situation that defective takes place and reduce to, and then improves work efficiency and output.
Combine by the light guide structure that will contain this shell and touch sensor, image sensor and the printed circuit board (PCB) that is used for fixing this image sensor, can finish integrated two-dimentional indicator device.As shown in figure 11, this touch sensor 160 be positioned at this image acquisition member on this contact element 165 touch-control surface around.This indicator device only in this touch sensor 160 of finger contact the side be perceived as this device and be in mode of operation.Therefore, by improving this light-source brightness when the mode of operation, can reduce power consumption.Position this image sensor 140 below this imaging len 180 can become electronic signal with this video conversion.This image sensor 140 is fixed to printed circuit board (PCB) 190, and image sensor protection structure 170 is installed in the below of this image sensor 140.
This light source 130 is placed between this printed circuit board (PCB) 190 and this parallel light prism 120.Can hard conating cover this contact element 165 above this light guide structure and this shell 110 avoiding, or to carry out in-molded methods (inmoldmethod) made in sticking film 100 backs because of external force causes scratch or wearing and tearing.These parallel light prism 120 preferable prism and more than one lens of comprising are to improve optical efficiency.
At last, be to form printed circuit board (PCB) 190, this contact element 165 and this light guiding/shell (110) integrated structure that is combined with this image sensor 140 on it, and connect these members, to protect the lower part of this indicator device.This light guiding, shell 110 are preferably by same material made with this contact element 165, better person, be by made such as polymethylmethacrylate (polymethylmethacrylate is hereinafter to be referred as PMME) or polycarbonate optical plastics such as (poly-carbonate are hereinafter to be referred as PC).
The exploded view of the integrated two-dimentional indicator device that Figure 12 illustrates according to the present invention to be done.Figure 12 shows according to touch sensor 200 of the present invention, contact element 210, shielding 220, shell 230, printed circuit board (PCB) 240, soft printed circuit board (flexible printed circuit board is hereinafter to be referred as FPCB) 250 and image sensor protection structure 260.Specifically, as shown in figure 11 as, be to be placed on this soft printed circuit board (FPCB) 250 by the structure that these lens, shell, image sensor, printed circuit board (PCB) and contact elements constituted.This soft printed circuit board is coupled to this printed circuit board (PCB) and has connector (connector) and is bonded on the corresponding electronic apparatus, for example mobile phone.This soft printed circuit board 250 is to be widely used in the miniature and complicated electronic installation design.High heat impedance, stiffness (flexibleresistance) and anti-chemical agent (chemical resistance) can be made and have to this soft printed circuit board 250 fast.Can save the time that assembling is set to by using this soft printed circuit board 250.Also can use a slot and contact pin (socket and pin) to replace soft printed circuit board 250.
Figure 13 illustrates the rear view according to integrated two-dimentional indicator device example of the present invention.Consult Figure 13, this optical texture 130 that comprises these members among Figure 11 is made by conductive material with this touch sensor 200, and can perceive the open/close state of this indicator device and be sent to circuit.This optical texture 300 connects this printed circuit board (PCB), transmits electronic signal to circuit with the Shi Houke at this optical texture of contact.In another embodiment, this soft printed circuit board 250, touch sensor 200 can be connected together with printed circuit board (PCB).
Figure 14 illustrates the rear view according to integrated two-dimentional indicator device example of the present invention.Consult Figure 14, this image sensor protection structure 260 can increase to conformability on this shell one-piece construction.This image sensor protection structure 260 is positioned at this image sensor below, to protect this image sensor to avoid to be subjected to the influence of external bump, dust or not clear material.
Figure 15 illustrates the synoptic diagram according to the parallel light prism of smooth guide structure of the present invention.Consult Figure 15, parallel light prism according to the present invention is the prism of arbitrary shape, and this prism comprises: the cylindrical plane of incidence 500 is converted to directional light in order to the scattered light with Lambertian source (lambertian light source); Cylinder reflective surface 510, it changes the light course from this plane of incidence to this contact element and also this directional light is become more parallel; And, cylindrical outlet plane 520, it makes this parallel rays be distributed to contact element fifty-fifty.As shown in figure 15, this plane of incidence 500, reflecting surface 510 need be disposed with pelvic outlet plane 520, and obtain three-dimensional optical path (three-dimensionaloptical path), with this light-ray condensing on this contact element and obtain uniform lighting effect.
Above-mentioned various embodiments only as the usefulness of demonstration, is not intended to limit the present invention.Teaching content of the present invention can be applied on the appliance arrangement of other kind easily.Narrating content of the present invention is the usefulness that presents a demonstration, can not be in order to limit the scope of the invention.Prior art person in this field can understand various replacement selection of the present invention, modification and alternate embodiment.
Industrial application
Therefore, the present invention is by feeling maybe that with having lattice type the contact of pattern makes Miniature optical Learn indicator device, reduce the power consumption of this indicator device, and then improve such as mobile communication terminal Machine or PDA etc. use the operating time of the electronic installation of secondary cell. The present invention is covered brilliant core by use Sheet replaces the wire bonds method that needs use auxiliary circuit board, can make the installation processing procedure of other circuit Automation for example is installed in processing procedure automation on the printed circuit board (PCB) with light source with crystal covered chip, And simplify this manufacturing processing procedure, and then reduce manufacturing cost. In addition, the present invention is by using this to cover brilliant core Sheet produces micro-optical indicator device or wafer-thin pointer dress, and it is applicable to small-sized movement Electronic installation.
Be adjusted to and this light by using the directional light that is produced by integrated light-source encapsulation assembly to shine The line direction is the plane of acute angle, and indicator device of the present invention can produce uniform radiation response also can be from order Target kick or dolly dimple produce big shade, and can detect easily these kicks or little Depression. In addition, the present invention can will be sent to light from the light of light source in the situation of dull thread loss Learn inductor, and protect these optical lenses and the inductor can, dust or external not normal because of inductor Material and causing damage. The present invention is by reaching maximum illumination efficiency with directional light and by screen Cover and stop that unnecessary interference light avoids inductor not normal, and can improve optical efficiency. Moreover, this Invention is by effectively using from the light of light source and reduce the power consumption of inductor. At last, originally Invention forms lens and shell by conformability ground, and make because of such as lens etc. accurate partly movement and The defective Probability that assembly error causes is down to minimum, and the operating efficiency of the device that is improved with Productivity.
Claims (33)
1. two-dimentional indicator device comprises:
Light source, its emission light is to target;
Contact element is to comprise lattice type maybe can feel pattern, and this contact element reflects the image of this moving target behind the light that receives from this light source;
The touch-control surface of image acquisition member, it is positioned on this contact element, and the touch-control surface of this image acquisition member has the surface in order to the friction force between raising and finger;
The image optics lens, it concentrates the reflection ray that comes from this contact element, and the light after will concentrating is sent to optical sensor;
Automatic conveyor is in order to restore this contact element after being moved by finger; And
This optical sensor is accepted the reflected image from this optical lens, and this video conversion is become electronic signal.
2. two-dimentional indicator device as claimed in claim 1, wherein the touch-control surface of this image acquisition member is made by rubber, or has the protrusion of surface structure.
3. two-dimentional indicator device as claimed in claim 1, wherein when the recovery speed of this automatic conveyor during greater than predetermined value, this indicator device is to differentiate to be not operation situation (no operation).
4. two-dimentional indicator device as claimed in claim 1, wherein this automatic conveyor is made by resilient material or magnetic material.
5. two-dimentional indicator device as claimed in claim 4, wherein this resilient material comprises rubber or silica gel.
6. two-dimentional indicator device as claimed in claim 1 more comprises touch sensor, is to be positioned at around this contact element, and wherein this touch sensor is whether to contact this touch sensor according to finger to judge whether this indicator device is in use.
7. two-dimentional indicator device as claimed in claim 6, wherein this touch sensor can be used as button and uses.
8. two-dimentional indicator device as claimed in claim 7, wherein when finger in section in the schedule time during this touch sensor twice of Continuous Contact, the effect of this touch sensor is as button.
9. two-dimentional indicator device as claimed in claim 7, wherein effective displacement of this contact element is by calculating and get when the contact element displacement that whole displacements of this contact element deduct when this finger leaves this touch sensor during as button of this touch sensor.
10. two-dimentional indicator device as claimed in claim 1 comprises that more this structure is positioned at the below of this contact element by the made structure of transparent material, makes this contact element to move smooth-goingly.
11. a two-dimentional indicator device comprises:
Light source, its emission light is to target;
Image acquisition member with presumptive area, this image acquisition member reflection is from the light of this light source;
Imaging len, it concentrates the reflection ray from this image acquisition member;
Printed circuit board (PCB) is mounted with light source chip, crystal covered chip and a plurality of part in order to forming circuit on it, this printed circuit board (PCB) has perforate so that pass through from the image of this imaging len; And
This crystal covered chip comprises in order to will becoming the image sensor and the signal processing circuit of electronic signal from the video conversion of this imaging len, and this crystal covered chip is to be positioned on the opposition side of this imaging len of these printed circuit board (PCB) central authorities.
12. two-dimentional indicator device as claimed in claim 11, wherein utilize the RDL method and be formed at wafer-thin circuit on the chip surface, this crystal covered chip is directly combined with this printed circuit board (PCB) of this indicator device and need not to use auxiliary printing circuit by including in.
13. two-dimentional indicator device as claimed in claim 11, wherein this perforate is formed by transparent material.
14. two-dimentional indicator device as claimed in claim 11, more comprising optical filter is non-essential light for this perforate with blocking.
15. the optical devices of an indicator device comprise:
Light source is in order to launch light to target;
Integrated optical structure, it comprises: collector lens with assemble light from this light source, in order to the reflecting surface that reflects this collected light, and the light delivery channel with by and export this reflection ray; And
Power supply and signal connection end, with the supply electric power and with extraneous switching signal, this power supply and signal connection end are protruding.
16. the optical devices of indicator device as claimed in claim 15 more comprise optical system, come from the image of this image acquisition member with acquisition, focusing and formation.
17. the optical devices of indicator device as claimed in claim 16, wherein this optical system is by light source, collector lens, reflecting surface and use printed circuit board (PCB) or has the integrated structure that the optics efferent branch of the circuit of similar functions constitutes.
18. the optical devices of indicator device as claimed in claim 15, wherein the principal direction of the light that is produced by this light source is different with the principal direction of this output light.
19. the optical devices of indicator device as claimed in claim 15, wherein this reflecting surface is the complete plane of reflection or mirror plane.
20. the optical devices of indicator device as claimed in claim 15, wherein light output partly is plane or matrix or column type lens.
21. the optical devices of indicator device as claimed in claim 15, wherein this integrated optical structure is to avoid external light to pass through to flow into inside except the zone this output area, and the zone of avoiding internal light to pass through except output area flows into the outside.
22. an integrated two-dimentional indicator device, it comprises:
Light source, its emission light is to target;
Parallel light prism is to make the light from this light source become parallel rays and reflect this parallel rays;
Contact element comes from the parallel rays of this parallel light prism in order to reception, and captures the movable image of this target;
Imaging len is in order to focus on the image from this contact element;
Shielding, to stop interference light, this shielding is to be positioned at contiguous this imaging len place;
Image sensor, its this video conversion that will be received from this imaging len becomes electronic signal;
Shell is that conformability ground combines with this parallel light prism and this imaging len; And
Printed circuit board (PCB) is being fixed this image sensor on it.
23. conformability two dimension indicator device as claimed in claim 22 more comprises image sensor protection structure, it is positioned at this image sensor below, to protect this image sensor.
24. conformability two dimension indicator device as claimed in claim 22 more comprises touch sensor, it is positioned at around this contact element, and wherein whether inductor is bumped at this place, the place of connecing is judged whether this indicator device is in user mode to this touch sensor according to pointing.
25. conformability two dimension indicator device as claimed in claim 24, wherein when this finger did not contact this touch sensor, this light source was closed and switches to battery saving mode.
26. conformability as claimed in claim 22 two dimension indicator device, wherein this contact element coated by hard conating or after sticking film the in-molded method of execution (inmold method) made.
27. conformability as claimed in claim 22 two dimension indicator device, wherein this contact element is that optical plastic by polymethylmethacrylate (PMME) or polycarbonate (PC) is formed.
28. conformability two dimension indicator device as claimed in claim 22, wherein this parallel light prism, this imaging len and this shielding are the single parts that forms the light guide structure.
29. conformability two dimension indicator device as claimed in claim 28, wherein this light guide structure is by made with this contact element identical materials.
30. conformability two dimension indicator device as claimed in claim 22, wherein this flat shape light prism is semicircle lens, and these semicircle lens comprise the plane of incidence, reflecting surface and pelvic outlet plane.
31. conformability two dimension indicator device as claimed in claim 22, wherein this parallel light prism comprises prism and more than one lens.
32. conformability two dimension indicator device as claimed in claim 22, wherein this parallel light prism and this imaging len are to form integrated structure.
33. conformability two dimension indicator device as claimed in claim 22 more comprises:
Web member, on the electronic apparatus that is connected to correspondence, and
Flexible printed wiring board (FPCB), it connects this printed circuit board (PCB) and this web member.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040016663 | 2004-03-11 | ||
| KR1020040016663A KR100648964B1 (en) | 2004-03-11 | 2004-03-11 | 2 dimension pointing device using detection of movement of lattice or recognizable pattern |
| KR1020040016955 | 2004-03-12 | ||
| KR1020040021395 | 2004-03-30 | ||
| KR1020040054530 | 2004-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1950788A true CN1950788A (en) | 2007-04-18 |
Family
ID=37273021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800076480A Pending CN1950788A (en) | 2004-03-11 | 2005-03-10 | Pointing device with an integrated optical structure |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100648964B1 (en) |
| CN (1) | CN1950788A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144204A (en) * | 2008-09-05 | 2011-08-03 | 微软公司 | Clutch-height adjustment in an optical tracking device |
| CN103455210A (en) * | 2012-05-29 | 2013-12-18 | 李文杰 | High resolution and high sensitivity optically activated cursor touch sensing device |
| CN106595534A (en) * | 2016-11-16 | 2017-04-26 | 南京航空航天大学 | Dynamic synchronous test system and method for multidimensional contact force and real contact area |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100816095B1 (en) * | 2006-07-26 | 2008-03-24 | 엠텍비젼 주식회사 | Optical inputting apparatus and mobile terminal having the same |
| KR100773807B1 (en) * | 2006-08-08 | 2007-11-06 | 광주과학기술원 | Optical pointing device using diffractive gratings |
| KR101151230B1 (en) * | 2009-09-23 | 2012-06-14 | 크루셜텍 (주) | Ultra slim optical joystick and mobile terminal having it |
-
2004
- 2004-03-11 KR KR1020040016663A patent/KR100648964B1/en not_active IP Right Cessation
-
2005
- 2005-03-10 CN CNA2005800076480A patent/CN1950788A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144204A (en) * | 2008-09-05 | 2011-08-03 | 微软公司 | Clutch-height adjustment in an optical tracking device |
| CN102144204B (en) * | 2008-09-05 | 2015-04-29 | 微软公司 | Clutch-height adjustment in an optical tracking device |
| CN103455210A (en) * | 2012-05-29 | 2013-12-18 | 李文杰 | High resolution and high sensitivity optically activated cursor touch sensing device |
| CN106595534A (en) * | 2016-11-16 | 2017-04-26 | 南京航空航天大学 | Dynamic synchronous test system and method for multidimensional contact force and real contact area |
| CN106595534B (en) * | 2016-11-16 | 2019-02-01 | 南京航空航天大学 | Multidimensional contact force and real contact area dynamic synchronization test macro and method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100648964B1 (en) | 2006-11-27 |
| KR20050091311A (en) | 2005-09-15 |
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