TW295647B - Touch panel testing method and device - Google Patents

Abstract

A touch panel testing method comprises of the following steps: (1) switching on power of related hardware equipment, then showing main screen of power-on operation on panel, and putting touch panel on base-line boundary on platform of pitch testing machine; (2) on shown main screen content of the above panel newly creating one data file of predicting touch panel; (3) automatically performing boundary calibration for testing pen on platform, and storing all got data in computer, then restoring the above panel to original main screen; (4) in the above panel main screen continuously selecting "Immediate Test" or "Test And View" or "Test And Print" to make output display of needed result data be got from screen or printer; (5) back to main screen after power-on to be waiting state.

Description

Du Printed A7 B7 by Beigong Consumer Cooperation, Central Bureau of Standards, Ministry of Economic Affairs 5. Description of Invention (1) "Overview of the Invention" The present invention relates to a method and device for testing touch screen panels. The application product factory tests whether the defective products of the touch screen and its deviation rate are within the range of the acceptance rate: and the complete set of working conditions can achieve full automatic control of the traveling speed throughout the whole process, and the pen point test is completed The weight and size of the touch screen panel can be adjusted, and can be tested in accordance with the specifications of various touch screen panels, replacing the method of manually testing the defective products of the touch screen panel, and * greatly improving the accuracy and reliability of the test Degrees ... etc. Purpose. "Background of the invention" Touching the screen of the desired query or selection by touching the electronic screen with the hand, pressing the touch screen or the answering point of the electric sleep equipment with a controlled screen • It is gradually appearing in a trend In our surroundings, such as: stations, career counseling enquiries, public machine sights, or service enquiries for large companies ... etc. From this we can also know that the future demand and dependence on the monitor screen will increase with it. The touch screen is connected to the computer processing unit through the touch screen panel attached to the surface of the screen after being touched by the positively charged hand to complete the question-and-answer consultation Communication channels. However, within a certain planning range, the ultra-fine touch circuit and the outer frame of the control-type screen panel are equipped with a circuit that returns the signal of the touch circuit to the connected electrical processing unit.圌 圈 线 • Therefore, after the production is completed • The traditional production factories are all manual quality control operations. "The efficiency is low. This paper standard is applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm)--I-- -I * I--1 n I---I — ^ 1 nv «(please read the precautions on the back before filling out this page) Objectivity, difficult to grasp, and the training quality and effectiveness of personnel are also difficult to control • Therefore, it reduces the neat efficiency of the factory, and even more * If the touch screen panel leaves the factory or enters the factory, it is found that the defective products are mixed, not only the acceptance Trouble checking and retreating • More affecting the company's reputation and credit • Can cause a lot of losses. "Objective of the Invention" The reason is that the inventors redesigned and improved the defects of the above-mentioned quality control system "and thanks to the inspiration given by the development of science and technology. Tools • As large as the Touch Panel for computer screens »As small as the general touch-mouse pad (Τ-ouch Mouse Pad) can be tested, simple and easy to learn human interface • Full control of the whole process • The travel speed, pen weight, and size of the touch screen can be adjusted. "M replaces the traditional high-cost method of manually testing the defective products of the touch screen • greatly improves the credibility of the test." This is both novel, The invention is progressive, practical and highly creative. Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs (please read the precautions on the back and then fill out this page) The main purpose of the present invention is to provide a method and device for testing a touch screen panel. Packaged program and system equipment computer equipment, dot distance test interface, pen adjustment control interface card and printer interface * and through the program control and the processing of the signal after processing by Xiaonao In order to enable Nenglian to use it in the production of touch screen panels and its application products, the factory tests whether the defective products of the touch screen panels and their deviation rates are within the range of the acceptance rate. Another object of the present invention is to provide a touch screen test method. The paper size is applicable to the Chinese National Standard (CNS) Α4 specification (210Χ297 mm). The consumer consumption cooperation of the Central Bureau of Standards of the Ministry of Economic Affairs has printed Λ7 B7. V. Invention Description (3) Method and device • The K package program and the interaction between the computer and peripheral equipment make the working state of the entire system fully automatic control of the travel speed, pen weight and touch under the pen point test The size of the touch screen panel can be adjusted to meet the specifications of all kinds of touch screen panels, and can be tested. Instead of K to manually test the defective products of the touch screen panel, and greatly improve the accuracy of the test .. etc. purpose. The next object of the present invention is to provide a touch screen test method and device The pen weight is up to the standard *, but the function of the interface card can still be used to enlarge its signal to the required pen weight, so as to reduce the weight of the whole device and the space occupied by the camera. Can smoothly execute the work procedures and the required precision control. "Detailed Description" In order to enable the reviewing members to further understand the present invention ", the following is a preferred embodiment. Cooperate with the illustrations and drawing numbers. The detailed description of the composition of the present invention and its achieved effects are as follows: "Simple Explanation of Plaque" The first figure is the working flow chart of the present invention. The second figure is the hardware configuration block of the present invention. The third ring is a perspective view of the general configuration of the present invention. The fourth is the circuit diagram of the pen pressure control card of the present invention. The fifth figure is a block diagram of the pen pressure control card of the present invention. This paper scale is applicable to China National Standard (CNS) A4 specification (210X297mm) (Fill in this page) Printed Λ7 B7 by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of the invention (4) The sixth figure is the handwriting test data chart listed after the operation test of the present invention. The seventh figure is the accuracy test data chart listed after the operation test of the present invention. The eighth figure is the error percentage data chart listed after the operation test of the present invention. The ninth figure is another handwriting test data chart listed after the operation test of the present invention. The tenth figure is another working flowchart of the present invention. "Specific Implementation Instructions" Please refer to the first, second, and third figures. The touch screen test method and device of the present invention is a packaged program and constituted system device that has already applied for copyright, including: computer equipment 1. Dot pitch test test 2, pen pressure adjustment control interface card 3 and printed table test 4. And through the program control and the coordinated execution of the operation actions in between * Applied to the factory that produces the touch screen panel 5 and its application products The factory tests whether the defective products of the touch screen panel 5 and their deviation rate are at the acceptance rate Range; and * the working state of the entire system of the present invention can achieve full automatic control of travel speed, pen weight under the pen-point distance test test 2, the size of the touch screen panel 5 can be adjusted to meet various touch types The screen 5 specifications can be tested, replacing the previous method of manually testing the defective products of the touch screen, as well as greatly improving the accuracy and reliability of the test. The working principle of the present invention is to control the point distance test by the interface (usually RS232) used by the computer main unit 11 to test the operation of the touch screen panel 5 • 12 BIT A / D conversion on the interface card ( 12-bit "analog " to" digital "converter) · After obtaining the detection results of the touch panel 5, the paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please Read the precautions on the back first and then fill out this page) I · l · Order 2G5647 Λ7 Β7 printed by the Beigong Consumer Cooperative of the Central Standards Bureau of the Ministry of Economy 5. After the description of the invention (5) • According to the preset ideal values and actual A / D Obtained path value • Calculate and compare the show deviation. Among them, the main function control screen items of the package program have the following four items: (as shown in the work flow chart of the first figure) 1 * BOUNSARY TEST (boundary test) when A new product of the touch screen panel 5 must be tested before the mass production to get the correct and complete boundary value. The method of operation is to select the BOUNSARY TEST on the screen 10 after the first • the next page The screen will list the product name number "and ask for selection Select the product name and number of the product to be tested * Then · The test pen 23 will move up, down, left, and right * according to the input origin to measure the length and width of the touch panel 5 , What is the size? When the boundary value is measured, it will automatically return to the main function. 2 · I «aediate Test (Immediate test) Before performing the immediate test, you must first perform a boundary test to get a positive and complete boundary Value * When selecting "Immediate Test", the product name number will be listed. Request to select the product name number of the product to be tested * When selected, it will enter the preparation test screen. At this time, if you press the right mouse button 1 2 to return to the main function screen, Press the left button to start the test immediately. • When the test starts, the computer will automatically calculate the upper left • upper right • lower right • the lower left coordinates of the four points as the calibration point, and then • the point distance test 2 starts to control the longitudinal slider 21 Coordinate movement of the horizontal slide 22 and make the test pen holder 22 1 held on the horizontal slide 22 test paper size applicable to China National Standards (CNS) A4 specifications (210X297 mm) ^^^ 1 ^ ^^ 1 m ^ 1 nn —v. · ^ ml I (Please read the precautions on the back before filling in this page) Order A7 B7 of the consumer cooperation of the Central Bureau of Standards of the Ministry of Economic Affairs. 5. Description of invention (6) 23, according to the set points Draw horizontal lines and vertical lines at intervals until the test touch screen panel 5 placed on the working platform 20 is filled up, and this touch screen panel is calculated by the A / D converter of 〃analog 〃 转 # 数 位 〃 The error percentage of 5 is displayed at the bottom of screen 10. At this time, if you press the right button to return to the test preparation screen, and you can also press the right button to stop the test during the test. The percentage error is calculated directly at the bottom of screen 10 And wait for the left to press OK to return to the preparation test screen. • The parameters referenced during the immediate test are as follows:

Ite «No: product name number

Origion X: The X coordinate of the origin referenced during the boundary test

Origion Y: the Y coordinate of the origin referenced during the boundary test

Left: Left boundary value

Top: upper boundary value

Right: right boundary value

Top: upper boundary value

Bottom: Lower boundary value

Precision: Permitted error percentage of required accuracy

Velocity: Set the speed at which the pen walks

Boundary: How many points K away from the boundary do not need to test

Pressure: Set test pen 10 pen pressure

Go Step: The distance between the horizontal line and the center line of the drawn line

Repeat Tine: The number of continuous tests set for life testing

Average: Average points

Dobounce: Remove the non-early fixed points when writing the pen. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the precautions on the back before filling out this page). Printed by the consumer cooperative A7 B7 V. Description of the invention (7) 3 · Test And View (test and display the results on the screen) In addition to the normal test migration, you can watch the "accuracy test chart" and "error" percentage analysis on the screen 10 Before the test, the boundary test must be done to get the correct and complete boundary value. When you select 〃 Test -And View 〃, the product name number will be listed. You need to select the product name number of the product to be tested. When selected, you will enter "Preparing the test screen" The next test action is exactly the same as # lamediate Test " until the test is completed and the Gu Shi " handwriting test chart as shown in the sixth and ninth percentages》 will appear in the lower right corner. Accuracy that meets the setting · At this time, if you press the left button, you will return to the preparation test screen. If you press the right button, you will see the "precision test analysis chart" (as shown in the seventh picture) · If you press the right button again, you will see #Error Percentage Analysis as shown in the eighth figure) and wait for the right button to return to the preparation test screen. 4 * Test And Print (test and print the results from the printout 4 ) In addition to the normal test, 〃accuracy test chart " and " error percentage analysis chart〃 must be tested before the test to get the correct and complete boundary value * When selecting " T est And Print " The product name number will be listed after the request to select the product name number of the product to be tested • When selected, it will enter the preparation test screen, the next test action is exactly the same as 〃 Immediate Test 〃 • Until the test is completed and the percentage is calculated, if you press Zuo Lian will return to the preparation test screen. If you press the right button, it will start to print the "handwriting test chart" on the current screen (as shown in the sixth picture) "and then print out the" precision book "shown in the seventh and eighth pictures. The paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) ---------- clothing ------ Γ-order (please read the precautions on the back before filling this page) Economy Ministry of Central Bureau of Prospects Printed by Feihe Duo A7 B7 V. Description of the invention (8) The test analysis chart 〃 and 〃 error percentage analysis chart will be automatically returned to the preparation test screen after printing. The configuration of the computer equipment 1 in the general device has a screen around it 1 0 、 Computer main unit 1 1. Mouse 12 and keyboard 13, and use this device to cooperate with the execution instructions of the packaged software. Then set the basic data of the standard and allowable range according to the work process or effect to be achieved or executed. Μ Clearly see the execution result. The mouse 12 used may be a trackball. The point distance test 2 is set on the plane above the main computer 1 of the computer device 1. It is composed of a working platform 20, a longitudinal sliding rod 21 sliding longitudinally, a horizontal slide 22 attached to the longitudinal sliding rod 21 and sliding horizontally, and a test pen 23 (which is a structure of a pen-like drawing on the market) Reference); one of the working platform 2 is a vertical two adjacent sides with a suitable reference line 201 for the initial shooting of the touch screen panel 5; a test pen 23 is fixed on the horizontal slide 22 The pen holder 221 for easy disassembly and assembly; and the test pen 23 and touch The touch stylus 24 of the touch screen panel 5 is a straight arc-shaped stalk with low friction coefficient * and a certain weight of plastic steel, or a low friction coefficient with a certain weight and a straight rod shape with a bead head ; The pen pressure adjustment control interface card 3 * is an interface that enables communication between the computer device 1, the point test test 2 and the touch screen panel 5. The pen pressure control, voltage stabilization and filter circuits are also provided on it. Make the overall control accuracy meet the requirements * and the interface card 3 is provided with a female plug connector extending from J Ρ 1 to insert the paper with the extended end pulled out from the loop line 51 on the periphery of the monitor screen 5 The standard is applicable to the Chinese National Standard (CNS) Α4 specification (210X297mm) --------- J equipment ------ ^ order ------ Guang (please read the precautions on the back first (Fill in this page) A7 B7 printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 5. Description of invention (9) Connector 5 2 sets of connections. Please refer to the fourth figure and the block diagram of the pen pressure control card in conjunction with the fifth figure. The function of each unit code on it is explained as follows: U 4: (at the upper end of the center of the figure) is driven by the resistive touch screen panel 5 The central processing unit (CPU) of the computer • This 1C (integrated circuit) drives the touch screen panel 5, and its scanning circuit is included in this IC. U1, U2: (in the center of the figure) is the interface 1C (Integrated Circuit) • The main function is to control the distance between the test point 2 and the automatic adjustment of the touch pen 23 of the test pen 23 The pen touches the touch screen panel 5 Pressure. U8: (at the lower left of the center of the figure) is the spike pressure and ripple circuit. U3: (on the left side in the center of the figure) is the decoding circuit "Decode U1, U2, U3, U4, etc." in order to enable it. U 5: (on the right in the figure) is PWN (Pulse Wave Width Adjustment Circuit) "to control the pen pressure of the stylus 24 of the test pen 23. The printout 4 * is the print test result * used as the test report of the touch panel 5 • and the basis for compliance or non-compliance with the prescribed standards • With the correction and adjustment of the production line. Refer to the third section. • The installation and start-up steps of the cookware and hardware equipment of the present invention are as follows: 1. Find a suitable location and place the entire device properly. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) --I--i I i— «... 士 κ 丁 I, ¾., \ 呑 (please read the precautions on the back before filling in This page) Printed A7 B7 by the Employee Consumer Cooperative of the Central Falcon Bureau of the Ministry of Economic Affairs. 5. Description of the invention (10) 2. Connect the wiring (as shown in the second and third figures). 3. Plug in the power supply. Four * Turn on the power supply (make sure there are no other debris on the work platform 20 before turning on the power supply). 5. The touch screen panel 5 is positioned with the reference line 201 on the working platform 20 as the approximate boundary reference. 6. After entering the execution program, the test pen 23 will be automatically calibrated. Six * When you first start, you will enter the profile setting first * Wait for the first basic data to be entered with the mouse 12 and keyboard 13. 7. If it has been tested, after turning on the power (as shown in the tenth picture), it will directly enter the test screen and wait for the left to continue the test or the right to return to the data setting screen. "Characteristics of the present invention" 1. Life test: By repeating the test on the same screen film *, the pen friction life of the screen film can be known. 2 · Linearity test of the screen film: the pen path after the screen film is tested will show its linearity. 3. Work area difference test: test whether the work area is in the center of the screen film. 4. Test density adjustment: Do the general or strict density test for the touch screen test as required, that is, the distance between each test line. 5 · The weight of the pen under test: The weight of the pen under the test is usually 200g »but other adjustments can be made》 K is for the needs of touch screen panels with different specifications. This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) m nn n. — ^ Ϋ 1 ^ 1 ί an 1 J. * va (please read the precautions on the back before filling in this page) Ministry of Economic Affairs A7 B7 printed by the Staff Consumer Cooperative of the Bureau of Standards V. Description of the invention (11) 6 · Screen spike test of the screen film: The overall maximum deviation value and the average deviation after the test is the spike determination. 7. Screen pen film stabilization time test: This book can tell the length of screen film stabilization time from the number of spikes after pen writing. 8 * Effective working area test: starting from the boundary, until the pen can be detected is the working area. 9. Print test results: print the test results for reference. 1 0 · Quick working speed: It only takes 40 seconds to test with a touch screen of 33 * 26cm and a density of 3cm / STEP. To sum up, the test method and device of the touch screen panel of the present invention have various functions as mentioned above, and have also achieved the expected invention results. And * the test method and the composition of the system device are unprecedented. "It is consistent with the novelty, progress and high creative application requirements of the invention. * I urge the Bureau of Ming Dynasty to grant the patent as soon as possible. Those who need to be informed * The descriptions on K are the specific embodiments of the present invention and the technical principles used. If the changes are made in accordance with the concept of the present invention, the resulting functional effects have not exceeded the scope of the description and drawings. The spirit * should be within the scope of the present invention "to Chen Ming. The size of this paper is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) (please read the precautions on the back before filling in this page)

Claims (1)

2 ^ 5647 A8 B8 C8 D8 # year / Printed by the Beigong Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 6. Scope of patent application 1. A touch screen test method • The steps include the following: (a) Turn on the power switch of the relevant hardware device * and then on the screen The main screen to judge the completion of the booting operation "and place the touch screen panel at a point about the baseline of the working platform of the test distance; (b) Create a new predicted touch screen data in the main screen content displayed on the above screen File; (c) Automatically determine and correct the boundary of the test pen on the working platform, and also save the recorded data in the main screen of the computer * The above screen will automatically restore to the original main screen; (d) From the above screen main screen Continue to select Immediate Te -st (test immediately) or Test And View. (Test and display the results on the screen) or Test And Print (test and print the results from the printer) to make it the desired result The output display mode of the data is obtained from the screen or the print screen; (e) Return to the main screen after the screen is opened to form the status to be screened. 2. A touch screen panel testing device, including: a computer device, which includes a screen, a computer host, a mouse, and a computer disk; and a preset package program is loaded into the computer host to cut the body 9 »One point distance The testing machine is arranged above the main computer of the computer equipment. It consists of a working platform, a longitudinal sliding stalk, a horizontal slide attached to the longitudinal stalk, and a paper slide. (CNS) A4 specification (210X297mm) --------- installed — (please read the precautions on the back before filling in this page) Order A8 B8 C8 D8 printed by Beigong Consumer Cooperative of Central Bureau of Standards, Ministry of Economic Affairs 6. Composition of the test pen for patent application; one of the working platforms is provided with a reference line at a suitable position on the two adjacent vertical sides; a pen holder is provided on the horizontal slide to fix the test pen spike and is easy to disassemble; The stylus tip where the pen is in contact with the touch screen panel; a stroke pressure adjustment control interface card * combined with the computer main insertion card holder of the above-mentioned computer equipment • It is a reset of the above-mentioned computer equipment and the point distance test The number can be converted to the bridge interface for communication and connection The integrated circuit of the touch point distance from the pen pressure, the loop of voltage stabilization and filtering, the decoding circuit, and the pulse width adjustment circuit that controls the size of the pen pressure; and a printed table to print a graph report of the test results. 3. According to the touch screen test device shown in item 2 of the scope of patent application • Among them, the computer host of the computer equipment can be a concave platform. • It can be configured for the combination of the point and distance test, and it is integrated. • To save the device Set up space. 4. According to the touch screen test device shown in item 2 of the scope of patent application • Among them, the mouse used in the computer equipment may be attached with a trackball. 5. According to the touch screen test device shown in item 2 of the scope of the patent application, the stylus tip of the test pen of the * point distance tester can be an arc head. The paper standard is applicable to the Chinese National Standard (CNS) Α4 specification ( 210Χ297mm) ------ „---- Strictly installed --- 1 ^ 1 In --eJ (please read the precautions on the back before filling this page) A8 B8 C8 D8 Pinch-shaped frictional pseudo-number, once the weight is fixed. 6. According to the touch screen panel test device shown in item 2 of the patent application range, the touch pen tip of the test pen of the point distance test can be low Those with a coefficient of friction, a certain weight, and a straight rod with a steel ball head. (Please read the precautions on the back before filling in this page)% —The size of the printed paper printed by the Employee Consumer Cooperative of the Central Standard Bureau, Ministry of Economic Affairs CNS) A4 specification (210X297mm)