CN105225613A - Touch LED display and display device - Google Patents
Touch LED display and display device Download PDFInfo
- Publication number
- CN105225613A CN105225613A CN201510591726.1A CN201510591726A CN105225613A CN 105225613 A CN105225613 A CN 105225613A CN 201510591726 A CN201510591726 A CN 201510591726A CN 105225613 A CN105225613 A CN 105225613A
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- China
- Prior art keywords
- touch
- led display
- pcb assembly
- plastic shell
- chip
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
Abstract
The present invention relates to a kind of touch LED display and display device, belong to display technique field.Touch LED display comprises: the control device of LED display and connection LED display; LED display comprises touch spring inductor, plastic shell and PCB assembly, and the lower end touching spring inductor is fixed on PCB assembly, and corresponding with the center of the through hole that plastic shell is preset, upper end is concordant with the upper surface of through hole; Control device comprises the testing circuit touching chip and connect touch chip, and touch chip is for receiving the touch signal touching spring inductor and send, and testing circuit is used for according to the control signal of touch signal to PCB assembly transmission correspondence.This LED display touches spring inductor by arranging in LED display, solve LED display device in use, user needs multiple touch key-press on touch control panel to control, the problem of man-machine interaction inconvenience, reach increase operation format, simplify the effect of the operation steps to LED display device.
Description
Technical field
The present invention relates to display technique field, particularly the touch LED display of one and display device.
Background technology
Along with the development of LED display technique, for meeting the display demand of different field, various different LED display device is arisen at the historic moment.
In the housed device such as washing machine, micro-wave oven conventional at present, the touch key-press with difference in functionality is arranged on the control panel of housed device respectively, and the status information of housed device is shown in the LED display of housed device, as shown in Figure 1.When user uses housed device, the current state information of the housed device that LED display shows can be observed, then continue as required to touch the status information that corresponding touch key-press adjusts housed device.Such as, when user needs to use washing machine, the current state information observing the washing machine that LED display shows is " soaks 10 minutes, rinsing 5 minutes, to dewater 2 minutes ", user can " immersion " touch key-press on touch control panel, then "+" touch key-press on touch control panel 3 times, " rinsing " touch key-press again on touch control panel, and "-" touch key-press on touch control panel 5 times, thus the washing machine current state information that LED display shows is adjusted to " soak 13 minutes, rinsing 0 minute, dehydration 2 minutes ".
Applicant finds, the touch LED display device that prior art provides is when by use, and user needs the multiple touch key-presss on touch control panel to control touch LED display device, causes man-machine interaction very inconvenient.
Summary of the invention
For touch LED display device in solution prior art is when by use, user needs the multiple touch key-presss on touch control panel to control touch LED display device, the problem of man-machine interaction inconvenience, the invention provides a kind of touch LED display and display device.Described technical scheme is as follows:
The one side of the embodiment of the present invention, provides a kind of touch LED display, comprising: LED display and connect the control device of described LED display;
Described LED display comprises at least one and touches spring inductor, plastic shell and PCB assembly, the lower end of described touch spring inductor is fixed on described PCB assembly by guide pin, and corresponding with the center of the through hole that described plastic shell is preset, the upper end of described touch spring inductor is concordant with the upper surface of described through hole; Described PCB assembly comprises pcb board, contact pin pin and at least one LED component, and described PCB assembly is nested in embedding to be had in the described plastic shell of encapsulation agent;
Described control device comprises the testing circuit touching chip and connect described touch chip, described touch chip is connected with described PCB assembly, for receiving the touch signal that described touch spring inductor sends, described testing circuit is connected with described touch chip, sends corresponding control signal for the touch signal received according to described touch chip to described PCB assembly.
Optionally, described testing circuit also comprises:
Pick-up unit, for detecting signal kinds and the number of signals of the touch signal that described touch chip receives within the unit interval;
Treating apparatus, sends corresponding control signal for the signal kinds of touch signal in unit interval of detecting according to described pick-up unit and number of signals to described PCB assembly.
Optionally, the upper surface of described plastic shell housing and lower surface, there is the radian of default value respectively on the direction of upper surface side, the size of described radian equals described plastic shell after by package curing link, the size of the radian that the upper surface of housing and lower surface are bent upwards in the side of lower surface side.
Optionally, described plastic shell is provided with at least one reflection cavity, and shape corresponding a kind of pattern or the word respectively that the upper accent of each reflection cavity presents at the upper surface of described plastic casing.
Optionally, described reflection cavity shape is funnel-form or trapezoidal shape, and the upper accent size of this reflection cavity is greater than lower accent size.
Optionally, described contact pin pin is arranged at the bottom surface of described pcb board, and at least one LED component described is arranged at the upper surface of described pcb board, and each LED component is at least corresponding with the reflection cavity of in plastic shell.
Optionally, the bottom of described reflection cavity is provided with at least one PCB assembly reference column, described pcb board is provided with at least one PCB assembly pilot hole, and described PCB assembly is corresponding with the PCB assembly reference column on described plastic shell by the pilot hole on described pcb board.
Optionally, described LED display also comprises diaphragm, and described diaphragm is bonded by the upper surface of bonding agent and described plastic shell housing;
Described diaphragm has pattern corresponding with the pattern on each reflection cavity or word.
The another aspect of the embodiment of the present invention, provides a kind of display device, and described display device comprises touch LED display as above.
The technical scheme that embodiments of the invention provide can comprise following beneficial effect:
Touch LED display provided by the invention and display device, display device comprises: LED display and connect the control device of described LED display; Described LED display comprises at least one and touches spring inductor, plastic shell and PCB assembly, the lower end of described touch spring inductor is fixed on described PCB assembly by guide pin, and corresponding with the center of the through hole that described plastic shell is preset, the upper end of described touch spring inductor is concordant with the upper surface of described through hole; Described PCB assembly comprises pcb board, contact pin pin and at least one LED component, and described PCB assembly is nested in embedding to be had in the described plastic shell of encapsulation agent; Described control device comprises the testing circuit touching chip and connect described touch chip, described touch chip is connected with described PCB assembly, for receiving the touch signal that described touch spring inductor sends, described testing circuit is connected with described touch chip, sends corresponding control signal for the touch signal received according to described touch chip to described PCB assembly.So, the touch key-press of LED display device can be arranged in LED display, LED display device does not need install control panel, has saved the production material of LED display device; User directly by the various functions that the touch key-press touching display in LED display uses LED display device to provide, thus can add operation format, simplifies the operation steps to LED display device.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the present invention.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows the embodiment meeting this, and is used from instructions one and explains principle of the present invention.
Fig. 1 is the Operation interface diagram of the housed device with traditional LED display;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the electrical connection schematic diagram of control device of the present invention.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the present invention.On the contrary, they only with as in appended claims describe in detail, the consistent embodiment in aspects more of the present invention.
Embodiments provide a kind of touch LED display, comprising: LED display 1 and connect the control device 2 of this LED display 1;
As shown in Figure 2, this LED display 1 comprises at least one and touches spring inductor 11, plastic shell 12 and PCB assembly, the lower end of this touch spring inductor 11 is fixed on this PCB assembly by guide pin 111, and corresponding with the center of the through hole 121 that this plastic shell 12 is preset, the upper end of this touch spring inductor 11 is concordant with the upper surface of this through hole 121; This PCB assembly comprises pcb board 131, contact pin pin 132 and at least one LED component 133, and this PCB assembly is nested in embedding to be had in this plastic shell 12 of encapsulation agent.
As shown in Figure 3, this control device 2 comprises the testing circuit 22 touching chip 21 and connect this touch chip 21, this touch chip 21 is connected with this PCB assembly, for receiving the touch signal touching spring inductor 11 and send, this testing circuit 22 is connected with this touch chip 21, sends corresponding control signal for the touch signal received according to this touch chip 21 to this PCB assembly.
Wherein, touch LED display provided by the invention is when assemble flow, LED component 133 can pass through die bond technique, the Jin Daoshang of pcb board 131 is affixed on by insulating gel, pass through bonding wire craft again, by metal welding wire by the top both positive and negative polarity Electrode connection of LED component 133 on the golden road solder joint of pcb board 131, thus make the both positive and negative polarity conducting of LED component 133; Touch spring inductor 11 to be mounted to after on pcb board 131 by guide pin 111, staff can use computer test machine, with special test fixture, by the pin on pcb board 131, voltage is supplied LED component 133 to make LED component 133 luminous, thus detect the quality of electrical property, and whether the performance detecting touch spring inductor 11 meets the requirements; Contact pin pin 132 in PCB assembly 1, for connecting external drive circuit, to obtain the voltage that applicable LED component 133 uses, thus makes LED component 133 carry out luminescence as requested respectively to realize the Presentation Function of LED display 1.
It should be noted that, the guide pin 111 touching spring inductor 11 is connected with the signal end touching chip 21 by PCB assembly 1.After LED display device switches on power, when the finger touch of user is to when touching the position of spring inductor 11 upper surface, be equivalent at testing circuit 22 electric capacity in parallel with between ground, because electric capacity has the characteristic of " logical high resistant; resistance low-resistance ", electric capacity becomes conductor, makes the action of human body touch form the induced signal chip that is touched and receives, and detected circuit 22 is by being converted to the control signal of response function after processor process, thus realize the different operating state of LED display device.
Touch LED display provided by the invention, makes the touch key-press of LED display device can be arranged in LED display, LED display device does not need install control panel, thus has saved the production material of LED display device; User directly by the various functions that the touch key-press touching display in LED display uses LED display device to provide, thus can add operation format, simplifies the operation steps to LED display device.
It should be noted that, in the present embodiment, can arrange at least one in LED display 1 and touch spring inductor 11, when the quantity touching spring inductor 11 is at least two, testing circuit can receive at least one and touch touch signal corresponding to spring inductor.Now, in the present embodiment, this testing circuit 22 also comprises:
Pick-up unit 221, for detecting signal kinds and the number of signals of the touch signal that this touch chip 21 receives within the unit interval.
Treating apparatus 222, sends corresponding control signal for the signal kinds of touch signal in unit interval of detecting according to this pick-up unit 221 and number of signals to PCB assembly.
Such as, the quantity touching spring inductor 11 is 2, be respectively inductor A and inductor B, when user touches touch key-press " immersion " that in LED display 1, inductor A is corresponding, touch chip 21 and receive touch signal a corresponding to inductor A, user touch inductor B in LED display 1 for touch key-press " dehydration " time, touch chip 21 and receive touch signal b corresponding to inductor B.
When user touched touch key-press " immersion " 2 times in 3 seconds, when touching touch key-press " dehydration " 1 time, pick-up unit detects that touch chip received 2 times touch signal a and 1 time touch signal b in 3 seconds.
Each touch signal information that treating apparatus in testing circuit 22 can detect according to pick-up unit, is converted to control signal by processor by each touch signal.
Such as, the conversion map relation of touch signal and the control signal of can prestoring in the treating apparatus of testing circuit 22, these mapping relations can as shown in Table 1:
| Touch signal kind and quantity in 3s | Control signal |
| 1 touch signal a | Soak time increases by 1 minute |
| 2 touch signal a | Soak time reduces 1 minute |
| 1 touch signal b | Dewatering time increases by 1 minute |
| 2 touch signal b | Dewatering time reduces 1 minute |
| 1 time touch signal a and 1 time touch signal b | Recover various functions initial time |
Table one
Touch LED display provided by the invention, transmitted control signal to PCB assembly according to mapping relations by testing circuit, the control button required for LED display device can be reduced, thus make LED display device have more succinct create an aesthetic feeling, simultaneously, also greatly reduce touch spring inductor LED display needing arrange, make user can complete different types of operation by a small amount of touch key-press.
At present, large scale LED display has been widely used in the industry-by-industry fields such as medicine, advertisement, enterprise, education.When manufacturing large scale LED display, people face many technical matterss usually.
Need through long high-temperature baking due to during LED display package curing link in process of production, in the process, when LED display reaches certain length, the plastic shell of LED display is subject to the impact of high temperature and the encapsulation agent factor such as thermal change reaction in the curing process, when encapsulating agent and solidifying completely, plastic shell inevitably produces and sticks up realization and resemble (namely the two end portions of plastic shell is upturned respectively to the side of upper surface side, and center section is upturned to the side of lower surface side).
People are when manufacturing LED display, upper surface and the lower surface of the plastic shell housing of LED display are generally straight flange structure, therefore, in the manufacture link of LED display, if the length of LED display reaches certain numerical value, then namely can produce after by package curing link and stick up realization and resemble, cause finished product to be not easy to because of distortion install, even scrap.
In the present embodiment, the upper surface of this plastic shell 12 housing and lower surface, on the direction of upper surface side, have the radian of default value respectively, the size of this radian equals the size of the radian that this plastic shell 12 is bent upwards in the side of lower surface side at upper surface and the lower surface by package curing link back casing.
Such as, the radian that the plastic shell 12 of LED display 1 is set to be bent upwards to the side of upper surface side before by package curing link is 20rad, the radian that the plastic shell 12 of LED display 1 is bent upwards to the side of lower surface side after by package curing link is 20rad, then the plastic shell 12 of LED display 1 is after passing through package curing link, upper surface and lower surface are straight flange structure, and the scrappage of finished product is reduced.
Touch LED display provided by the invention, by the upper surface of the plastic shell housing by LED display and lower surface, the radian with default value is set respectively on the direction of upper surface side, and the size of this radian equals plastic shell after by package curing link, the size of the radian that the upper surface of housing and lower surface are bent upwards in the side of lower surface side, make LED display after by package curing link, the upper surface of plastic shell and lower surface cash because sticking up the radian that the radian resembling the downward surface curvature of generation just reaches the upwards surface curvature that plastic shell pre-sets, solve LED display in the process manufactured, easily occur distortion and cause finished product to be not easy to install the problem of even scrapping, the upper surface and the lower surface that reach the plastic shell of the LED display finished product produced are straightened condition, improve the effect of the LED display quality of production.
In the present embodiment, this plastic shell 12 is provided with at least one reflection cavity 122, and shape corresponding a kind of pattern or the word respectively that the upper accent of each reflection cavity 122 presents at the upper surface of this plastic casing 12.
Wherein, PCB assembly after being energized by contact pin pin 132, the light that the LED component 133 on pcb board 131 sends by reflection cavity 122, thus make the pattern presented at the upper surface of plastic casing 12 of accent on reflection cavity 122 or word luminous.
In the present embodiment, the shape of this reflection cavity 122 is funnel-form or trapezoidal shape.
It should be noted that, the upper accent size of reflection cavity 122 is greater than lower accent, the light that in PCB assembly, LED component 133 sends can effectively be assembled through reflection cavity 122, thus enhance the brightness of word or pattern in LED display 1, improve the luminescence efficiency of LED component 133 in light-emitting diode display.
In the present embodiment, this encapsulation agent can be epoxy glue water.
It should be noted that, epoxy glue can ensure that LED light line effectively spreads, and increases certain brightness, and PCB assembly and touch spring inductor 11 can be wrapped up completely and fix, and makes LED component 133 not easily damaged.
In encapsulation link, staff can use programmable glue pouring machine, sets glue amount on request, thus epoxy glue is injected uniformly plastic shell 12 that leakproof glue high temperature gummed tape is posted on surface.
In the present embodiment, this contact pin pin 132 is arranged at the bottom surface of this pcb board 131, and this at least one LED component 133 is arranged at the upper surface of this pcb board 131, and each LED component 133 is at least corresponding with the reflection cavity 122 of in plastic shell 12.
In the present embodiment, the bottom of this plastic shell 12 is provided with at least one PCB assembly reference column, this pcb board 131 is provided with at least one PCB assembly pilot hole, and the PCB assembly reference column on this plastic shell with the pilot hole on this pcb board with corresponding.
The present embodiment is by before carrying out package curing link by LED display, use the mode of PCB assembly pilot hole and PCB assembly reference column, make when carrying out package curing to LED display, the relative position of PCB assembly and plastic shell 12 can not change, thus reduces the defect rate of LED display 1.
Usually, PCB assembly reference column quantity is equal with the PCB assembly pilot hole quantity that pcb board 131 is arranged.
It should be noted that, at some in particular cases, PCB assembly reference column quantity also can be less than the PCB assembly pilot hole quantity that pcb board 131 is arranged.
In the present embodiment, this LED display 1 also comprises diaphragm 14, and this diaphragm 14 is bonded by the upper surface of bonding agent and this plastic shell 12 housing;
Pattern or the word this diaphragm 14 with pattern and accent on each reflection cavity 122 are corresponding.
Pattern on this diaphragm 14 is transparent or translucent.
It should be noted that, bonding agent can be transparent or semitransparent glue.Pattern or the word of the pattern on diaphragm 14 or word and accent on each reflection cavity 11 are corresponding, and the light that LED component 133 sends, through after reflection cavity 122, can also pass diaphragm 14, thus show default pattern or word in LED display 1.
Diaphragm 14 can be pasted onto the upper surface of LED display 1 by the bonding agent of silk-screen, this diaphragm 14 can be PC material or glass material, and the embodiment of the present invention is also not construed as limiting.
At pattern or the word of the surperficial silk-screen of diaphragm 14, the luminescence display region of pattern or the corresponding LED display 1 of word, for embodying the function information that will show; Diaphragm 14 also can the corresponding function key icon of silk-screen or function explanatory note in the position of the touch spring inductor 11 at through hole 121 center that corresponding LED display 1 plastic shell 12 is preset simultaneously.
Further, in order to improve the icon display efficiency of LED display 1, after the icon touching the touch key-press of spring inductor 11 correspondence also can receive touch signal by testing circuit 22, the illumination mode of the LED component 133 that touch key-press is corresponding on control signal control PCB assembly is sent according to touch signal, thus different according to the function of the current correspondence of touch key-press, LED display 1 shows the icon that touch key-press is corresponding.
The display device that the embodiment of the present invention provides, comprises touch LED display as above.
The concrete structure of touch LED display illustrates, and does not repeat herein.
Wherein, display device can be any product or parts with LED display such as washing machine, air-conditioning, micro-wave oven, gas-cooker.
The display device that the embodiment of the present invention provides, comprises touch LED display, and this touch LED display comprises: LED display 1 and connect the control device 2 of this LED display;
This LED display 1 comprises at least one and touches spring inductor 11, plastic shell 12 and PCB assembly, the lower end of this touch spring inductor 11 is fixed on this PCB assembly by guide pin 111, and corresponding with the center of the through hole 121 that this plastic shell 12 is preset, the upper end of this touch spring inductor 11 is concordant with the upper surface of this through hole 121; This PCB assembly comprises pcb board 131, contact pin pin 132 and at least one LED component 133, and this PCB assembly is nested in embedding to be had in this plastic shell 12 of encapsulation agent.This control device 2 comprises the testing circuit 22 touching chip 21 and connect this touch chip 21, this touch chip 21 is connected with this PCB assembly, for receiving the touch signal touching spring inductor 11 and send, this testing circuit 22 is connected with this touch chip 21, sends corresponding control signal for the touch signal received according to this touch chip 21 to this PCB assembly.
So, the touch key-press of LED display device can be arranged in LED display 1, LED display device does not need install control panel, has saved the production material of LED display device; User directly by the various functions that the touch key-press touching display in LED display uses LED display device to provide, thus can add operation format, simplifies the operation steps to LED display device.
Those skilled in the art, after considering instructions and practice invention here, will easily expect other embodiment of the present invention.The application is intended to contain this any modification, purposes or adaptations, and these modification, purposes or adaptations are followed this general principle and comprised the undocumented common practise in the art of the present invention or conventional techniques means.Instructions and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (9)
1. a touch LED display, is characterized in that, comprising: LED display and connect the control device of described LED display;
Described LED display comprises at least one and touches spring inductor, plastic shell and PCB assembly, the lower end of described touch spring inductor is fixed on described PCB assembly by guide pin, and corresponding with the center of the through hole that described plastic shell is preset, the upper end of described touch spring inductor is concordant with the upper surface of described through hole; Described PCB assembly comprises pcb board, contact pin pin and at least one LED component, and described PCB assembly is nested in embedding to be had in the described plastic shell of encapsulation agent;
Described control device comprises the testing circuit touching chip and connect described touch chip, described touch chip is connected with described PCB assembly, for receiving the touch signal that described touch spring inductor sends, described testing circuit is connected with described touch chip, sends corresponding control signal for the touch signal received according to described touch chip to described PCB assembly.
2. touch LED display according to claim 1, is characterized in that, described testing circuit also comprises:
Pick-up unit, for detecting signal kinds and the number of signals of the touch signal that described touch chip receives within the unit interval;
Treating apparatus, sends corresponding control signal for the signal kinds of touch signal in unit interval of detecting according to described pick-up unit and number of signals to described PCB assembly.
3. touch LED display according to claim 1, it is characterized in that, the upper surface of described plastic shell housing and lower surface, there is the radian of default value respectively on the direction of upper surface side, the size of described radian equals described plastic shell after by package curing link, the size of the radian that the upper surface of housing and lower surface are bent upwards in the side of lower surface side.
4. touch LED display according to claim 1, is characterized in that, described plastic shell is provided with at least one reflection cavity, and shape corresponding a kind of pattern or the word respectively that the upper accent of each reflection cavity presents at the upper surface of described plastic casing.
5. touch LED display according to claim 4, is characterized in that, described reflection cavity shape is funnel-form or trapezoidal shape, and the upper accent size of described reflection cavity is greater than lower accent size.
6. touch LED display according to claim 4, it is characterized in that, described contact pin pin is arranged at the bottom surface of described pcb board, and at least one LED component described is arranged at the upper surface of described pcb board, and each LED component is at least corresponding with the reflection cavity of in plastic shell.
7. touch LED display according to claim 4, it is characterized in that, the bottom of described reflection cavity is provided with at least one PCB assembly reference column, described pcb board is provided with at least one PCB assembly pilot hole, and described PCB assembly is corresponding with the PCB assembly reference column on described plastic shell by the pilot hole on described pcb board.
8. touch LED display according to claim 4, is characterized in that, described LED display also comprises diaphragm, and described diaphragm is bonded by the upper surface of bonding agent and described plastic shell housing; Described diaphragm has pattern corresponding with the pattern on each reflection cavity or word.
9. a display device, is characterized in that, described display device comprise as arbitrary in claim 1 to 9 as described in touch LED display.
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| CN201510591726.1A CN105225613B (en) | 2015-09-17 | 2015-09-17 | Touch LED display and display equipment |
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| CN201510591726.1A CN105225613B (en) | 2015-09-17 | 2015-09-17 | Touch LED display and display equipment |
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| CN106128321A (en) * | 2016-08-26 | 2016-11-16 | 中山市佑阳光电科技有限公司 | Drive the LED digital display screen controlled |
| CN108039880A (en) * | 2017-12-04 | 2018-05-15 | 广东美智智能科技有限公司 | A kind of light-emitting diode display modular construction with touch key-press |
| CN108335638A (en) * | 2018-02-02 | 2018-07-27 | 深圳市奥拓电子股份有限公司 | LED display modules and LED display |
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| CN111963598A (en) * | 2020-07-08 | 2020-11-20 | 佛山市顺德区威艺五金弹簧有限公司 | Integrated touch spring |
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| CN109597516B (en) * | 2017-10-02 | 2023-10-27 | 三星显示有限公司 | Display apparatus |
| CN108039880A (en) * | 2017-12-04 | 2018-05-15 | 广东美智智能科技有限公司 | A kind of light-emitting diode display modular construction with touch key-press |
| CN108335638A (en) * | 2018-02-02 | 2018-07-27 | 深圳市奥拓电子股份有限公司 | LED display modules and LED display |
| CN108335638B (en) * | 2018-02-02 | 2020-07-28 | 深圳市奥拓电子股份有限公司 | L ED display module and L ED display screen |
| CN109256296A (en) * | 2018-12-10 | 2019-01-22 | 广州星弈电子科技有限公司 | A kind of adjusting knob equipped with touching switch |
| CN111963598A (en) * | 2020-07-08 | 2020-11-20 | 佛山市顺德区威艺五金弹簧有限公司 | Integrated touch spring |
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|---|---|
| CN105225613B (en) | 2018-06-12 |
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