CN115219580B - Detection method of electrophoresis display layer - Google Patents
Detection method of electrophoresis display layer Download PDFInfo
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- CN115219580B CN115219580B CN202110407040.8A CN202110407040A CN115219580B CN 115219580 B CN115219580 B CN 115219580B CN 202110407040 A CN202110407040 A CN 202110407040A CN 115219580 B CN115219580 B CN 115219580B
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000001962 electrophoresis Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 133
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 12
- 230000009466 transformation Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 5
- 238000003475 lamination Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 74
- 239000002245 particle Substances 0.000 description 11
- 230000005684 electric field Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000002775 capsule Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003094 microcapsule Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- -1 p-xylylene diethyl Chemical group 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920003050 poly-cycloolefin Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
Abstract
The application discloses a detection method of an electrophoretic display layer, which comprises the following steps: providing a first electrophoretic display layer, wherein the first electrophoretic display layer is provided with a first test electrode and a second test electrode; applying a first test signal between the first test electrode and the second test electrode to enable the first electrophoresis display layer to display a first image; and cutting the detected first electrophoretic display layer to obtain a plurality of second electrophoretic display layers. The detection method of the electrophoresis display layer only needs to carry out single test on the components, and does not need to carry out individual test on the split components. Therefore, the detection method of the electrophoresis display layer of the problem component is time-saving and labor-saving and easy to track.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a method for detecting an electrophoretic display layer.
Background
With the advancement of technology, electronic products are widely used in daily life. For example, various displays such as electronic paper are used instead of conventional paper, so that people can conveniently browse articles. That is, there is an increasing reliance on such displays.
Taking an electrophoretic display as an example, it comprises an electrophoretic display layer for display. In order to ensure the display quality of the display, the electrophoretic display layer is generally inspected during the manufacturing process. More specifically, the just formed electrophoresis layer master slice is cut into a plurality of electrophoresis display layers by a cutting jig, and then the detection jig is used for detecting whether the electrophoresis display layers have bad problems such as dots, lines or abnormal colors. Therefore, when the electrophoresis display layer finds a problem in the detection stage, the subsequent processing of the electrophoresis display layer with the problem is not needed, and the waste of a back-end module (such as a backlight module) is avoided, so that the manufacturing cost is saved.
However, the number of the electrophoretic display layers cut from the master of the electrophoretic layer is large, and a large number of test tools and testers are required for individual testing. In addition, tracking difficulties may also be caused when problems occur in one of the electrophoretic display layers. Therefore, the detection method of the prior art is time-consuming and labor-consuming, and is difficult to efficiently track anomalies.
Disclosure of Invention
The embodiment of the application provides a detection method of an electrophoretic display layer, which solves the problems that the existing electrophoretic display layer needs to spend a large amount of jigs and time detection, and is difficult to track problem products effectively.
In order to solve the technical problems, the application is realized as follows:
there is provided a method of detecting an electrophoretic display layer, comprising: providing a first electrophoretic display layer, wherein the first electrophoretic display layer is provided with a first test electrode and a second test electrode; applying a first test signal between the first test electrode and the second test electrode to enable the first electrophoresis display layer to display a first image; and cutting the detected first electrophoretic display layer to obtain a plurality of second electrophoretic display layers.
In this embodiment of the present application, the first electrophoretic display layer receives the first test signal through the first electrode and the second electrode located at two sides to perform the lighting test. Then, the detected first electrophoretic display layer is separated into a plurality of second electrophoretic display layers through a cutting process. That is, the method for detecting the electrophoretic display layer of the present application only needs to perform a single test on the component, and does not need to perform individual tests on the diced component. Therefore, the detection method of the electrophoresis display layer of the problem component is time-saving and labor-saving and easy to track.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a flow chart of an embodiment of the present application;
FIG. 2 is a block diagram of a detection device according to an embodiment of the present application; and
FIG. 3 is a block diagram of another detection device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Please refer to fig. 1, which illustrates a method for detecting an electrophoretic display layer according to an embodiment of the present application. It should be noted that the following steps are not necessarily all the same or indispensable, and some steps may be performed simultaneously, omitted or added, and this procedure is used to describe the steps of the present application in a broad and simple manner, and is not intended to limit the order and number of steps of the preparation method of the present application. As shown in the figure, the detection method of the electrophoretic display layer includes:
step S10: a first electrophoretic display layer is provided, wherein the first electrophoretic display layer has a first test electrode and a second test electrode. More specifically, in the present embodiment, the first electrophoretic display layer refers to a front panel (front panel laminate, FPL) master. That is, the front panel that has not been cut is laminated. More specifically, the first electrophoretic display layer may include a substrate, a driving layer, and an electrophoretic layer, but is not limited thereto. In other embodiments, the first electrophoretic display layer may also include other functional layers such as an optical adhesive, a protective layer, and the like.
In some embodiments, the substrate may be a transparent substrate. For example, the substrate may be a glass substrate, such as: an alkali-containing glass substrate, an alkali-free glass substrate, or a physically/chemically treated tempered glass substrate; plastic substrates are also possible, for example: poly (p-xylylene diethyl ester) (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), or polycycloolefin polymer (COP). However, the present application is not limited thereto. In other embodiments, any substrate recognized by one skilled in the art may be used in the present application.
The driving layer is used for driving the lower electric field. Further, the lower electric field generated by the driving layer may form a complete electric field with the upper electric field generated by the electrophoretic layer to control the movement of charged particles in the electrophoretic layer (which will be explained in detail later).
In some embodiments, the driving layer may be formed on the first substrate through a semiconductor process. For example, the driving layer may include a first driving component formed by a semiconductor process. The first driving assembly may be a thin film transistor array (Thin film transistor array, TFT array) including a plurality of transistors and a plurality of transmission lines. The transistors are electrically connected through the transmission lines. Each transistor may include a Gate (Gate), a Gate dielectric, a semiconductor layer, a Source (Source), a Drain (Drain), and other elements as will be appreciated by those skilled in the art.
In some embodiments, the electrophoretic layer may be in the form of Microcapsule (Microcapsule) electrophoresis. For example, the electrophoretic layer may include a second driving assembly, a developing capsule, and charged particles, wherein the second driving assembly corresponds to the first driving assembly to drive the developing capsule and the charged particles to move.
In some embodiments, the charged particles may include a plurality of white particles and a plurality of black particles, and each of the white particles and the black particles are encapsulated by the imaging capsule. When the charged particles (i.e., white particles and black particles) encapsulated by the developing capsule are driven to move by the electric field, the first electrophoretic display layer can display a corresponding image.
Step S11: a first test signal is applied between the first test electrode and the second test electrode so that the first electrophoresis display layer displays a first image. For example, the first test signal may have a first frequency, so that the first electrophoretic display layer stably displays a full-bright (full-white) screen. Alternatively, the first test signal may cause the first electrophoretic display layer to display a picture that blinks at intervals. Therefore, a tester can observe whether bright spots, line segments or local abnormal display occur or not by using the picture displayed by the first electrophoretic display layer through the human eyes. Alternatively, the tester may observe whether the first electrophoretic display layer is abnormal through an electronic device such as a camera.
In some embodiments, after the step of applying the first test signal between the first test electrode and the second test electrode, the method may further include: and applying a second test signal between the first test electrode and the second test electrode to enable the first electrophoresis display layer to display a second image, wherein the second test signal is different from the first test signal, and the second image is different from the first image.
Further, by detecting the first electrophoretic display layer by different test signals (i.e., the first test signal and the second test signal), it is easier to detect whether the first electrophoretic display layer has an abnormality. For example, the first test signal may cause the first electrophoretic display layer to stably display a full-bright (full-white) picture, and the second test signal may cause the first electrophoretic display layer to display a picture that blinks at intervals. Thus, the first electrophoretic display layer can be ensured to meet the requirements under the two conditions by the two test signals. It should be noted that the present application is not limited to testing the first electrophoretic display layer with only two test signals. In other embodiments, the test signals may be 2, 3, 4, or more than 4, depending on the actual application.
Step S12: and cutting the detected first electrophoretic display layer to obtain a plurality of second electrophoretic display layers. Further, the second electrophoretic display layer obtained by cutting the first electrophoretic display layer (e.g., the front panel master) can be directly used for the subsequent bonding process, and no separate lighting detection is required. In this way, the time required for detection can be greatly reduced. In addition, when a problem occurs in the raw material (e.g., abnormality occurs in the driving layer), it is also possible to easily confirm the production lot and clear the problem, avoiding the subsequent waste of man-hours and labor.
In the above description, the above steps have been explained in detail for the detection method and the flow thereof of the present application. Hereinafter, the detection device used in the detection process will be further described so as to make the technical features of the present application more complete and obvious.
Please refer to fig. 2, which is a block diagram of a detecting apparatus according to an embodiment of the present application. As shown, in some embodiments, the step of applying the first test signal between the first test electrode and the second test electrode may be performed by the detection device 1A. Wherein the detection device 1A includes: a command input 10, a memory module 11, a signal output 12 and a control module 13. The instruction input 10 is configured to receive an instruction from the outside. The memory module 11 is electrically connected to the command input 10 and configured to store a first test condition. The signal output end 12 is electrically connected to the first electrophoretic display layer 2. The control module 13 is electrically connected to the stored module 11 and the signal output end 12, and is configured to control the signal output end 12 to output a first test signal according to a first test condition.
Please refer to fig. 3, which is a block diagram of another detecting apparatus according to an embodiment of the present application. As shown, in some embodiments, the step of applying the first test signal between the first test electrode and the second test electrode may also be performed by the detection device 1B. Wherein the detection device 1B includes: a command input 10, a memory module 11, a signal output 12, a control module 13, a power input 14, a transformation module 15, a selection switch 16, a switch module 17 and a prompt module 18. In the present embodiment, the same reference numerals denote the same components in fig. 2 and 3. Therefore, detailed descriptions of the same components will be omitted.
The instruction input 10 is configured to receive an instruction from the outside. For example, the command input 10 may be a read disk, a universal serial bus (Universal Serial Bus, USB), a keyboard, etc. to receive the test conditions input by the operator and store the test conditions in the memory module 11.
The memory module 11 is electrically connected to the command input 10 and configured to store a first test condition. For example, the storage module 11 may be a Flash Memory (Flash Memory), but is not limited thereto. Further, in the present embodiment, the storage module 11 may also store the second test condition to the eighth test condition. That is, the memory module 11 of the present embodiment can store 8 kinds of test conditions. Wherein each test condition corresponds to a different test signal. It should be noted that the above amounts are merely examples and should not be taken as limiting the present application. In other embodiments, the storage module 11 may store more than 8 test conditions.
The signal output terminal 12 is electrically connected to the selection switch 16 and the first electrophoretic display layer 2. Further, the signal output 12 includes a first output 120 and a second output 121. The first output terminal 120 is electrically connected to the first selection switch 160 in the selection switch 16 and one electrode of the first electrophoretic display layer 2, so as to output a voltage of +15v/0V for testing. The second output terminal 121 is electrically connected to the second selection switch 161 of the selection switch 16 and the other electrode of the first electrophoretic display layer 2, so as to output a voltage of +15v/0V for testing.
The control module 13 is electrically connected to the stored module 11 and the signal output terminal 12, and is configured to control the signal output terminal 12 to output a signal according to different test conditions (e.g., one of the first test signal to the eighth test signal).
The power input 14 is connected to an external power source. Further, the power input 14 may include a first power input 140 and a second power input 141. For example, the first power input terminal 140 may be externally connected with a 12V dc power supply. The second power input 141 may be externally connected with a USB power supply. In this way, the detection device 1B can operate from different power sources.
The transformation module 15 is electrically connected to the control module 13 and the signal output end 12, and is configured to transform the power from the external power source to provide the transformed power for the control module 13 and the signal output end 12. More specifically, the transformation module 15 includes a first transformation member 150 and a second transformation member 151. The first transformer 150 steps down the power from the external power source from 12V to 3.3V to be applied to other components of the control module 13, the memory module 11, and the like. The second voltage transformer 151 boosts the power from the first voltage transformer 150 from 3.3V to 15V to output to the first electrophoretic display layer 2 for testing.
The selection switch 16 is electrically connected to the control module 13 and the transformation module 15. More specifically, the selection switch 16 includes a first selection switch 160 and a second selection switch 161. The first selection switch 160 and the second selection switch 161 respectively generate different test signals (e.g., different phases) according to the instruction of the control module 13, and output the test signals to the first electrophoretic display layer 2 through the signal output terminal 12.
The switch module 17 includes: a power switch 170, a change-over switch 171, a signal switch 172, and a reset switch 173. The power switch 170 is electrically connected to the voltage transformation module 15 and controls the power of the detecting device 1B. The switch 171 is electrically connected to the control module 13, and is used for switching the signal output by the detecting device 1B. The signal switch 172 is electrically connected to the control module 13, and is used for controlling the detection device 1B to output a signal. The reset switch 173 is electrically connected to the control module 13. Wherein, when an abnormality occurs in the detection process, the detection device 1B can be controlled to re-output a signal by the reset switch 173.
The prompting module 18 is connected with the voltage transformation module 15, and sounds or lights are emitted as warning when the detecting device 1B is abnormal. For example, the prompt module 18 may be a light emitting diode or a speaker. In some embodiments, prompt module 18 may also include a light emitting diode or a speaker to more effectively alert the operator.
As described above, the first electrophoretic display layer 2 can be effectively tested by the above-mentioned detecting device 1A or detecting device 1B. Therefore, in practical application, the method for detecting the electrophoretic display layer may further include the following sub-steps.
In some embodiments, prior to the step of applying the first test signal between the first test electrode and the second test electrode, a first sub-step may be further included: the first test condition is input and stored in the memory module 11 through the command input terminal 10, wherein the first test condition corresponds to the first test signal.
In some embodiments, after the step of storing the first test condition in the memory module 11 via the instruction input 10, a second sub-step may be further included: the signal output 12 is controlled by the control module 13 to output a first test signal corresponding to a first test condition.
In some embodiments, after the step of controlling the signal output terminal 12 to output the first test signal corresponding to the first test condition by the control module 13, a third sub-step may be further included: a second test condition is input and stored in the memory module 11 through the command input 10, wherein the second test condition corresponds to a second test signal, and the second test signal is different from the first test signal.
In some embodiments, after the step of storing the second test condition in the memory module 11 via the instruction input 10, a fourth sub-step may be further included: the signal output 12 is controlled by the control module 13 to output a second test signal corresponding to a second test condition, wherein the second test signal is different from the first test signal.
In summary, the first electrophoretic display layer of the present application receives the first test signal through the first electrode and the second electrode at two sides to perform the lighting test. Then, the detected first electrophoretic display layer is separated into a plurality of second electrophoretic display layers through a cutting process. That is, the method for detecting the electrophoretic display layer of the present application only needs to perform a single test on the product, and does not need to separately perform individual tests on the cut product. Therefore, the detection method of the electrophoresis display layer is time-saving and labor-saving, and is easy to track the problem product.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (9)
1. A method for detecting an electrophoretic display layer, comprising:
providing a first electrophoresis display layer, wherein the first electrophoresis display layer is provided with a first test electrode and a second test electrode, the first electrophoresis display layer is a front panel master slice, and the first electrophoresis display layer comprises a substrate, a driving layer and an electrophoresis layer;
applying a first test signal between the first test electrode and the second test electrode to enable the first electrophoretic display layer to display a first image;
and cutting the detected first electrophoretic display layers to obtain a plurality of second electrophoretic display layers, wherein the second electrophoretic display layers are directly used for the subsequent lamination process.
2. The method of detecting an electrophoretic display layer according to claim 1, further comprising, after the step of applying a first test signal between the first test electrode and the second test electrode:
a second test signal is applied between the first test electrode and the second test electrode to cause the first electrophoretic display layer to display a second image, wherein the second test signal is different from the first test signal and the second image is different from the first image.
3. The method of claim 1, wherein the step of applying a first test signal between the first test electrode and the second test electrode is performed by a detection device.
4. A method of detecting an electrophoretic display layer according to claim 3, wherein the detecting means comprises:
an instruction input configured to receive an instruction from the outside;
the storage module is electrically connected with the instruction input end and is configured to store a first test condition;
the signal output end is electrically connected with the first electrophoresis display layer; and
the control module is electrically connected with the stored module and the signal output end and is configured to control the signal output end to output the first test signal according to the first test condition.
5. The method of detecting an electrophoretic display layer according to claim 4, further comprising, prior to the step of applying a first test signal between the first test electrode and the second test electrode:
a first test condition is input and stored in the memory module through the instruction input end, wherein the first test condition corresponds to the first test signal.
6. The method of detecting an electrophoretic display layer according to claim 5, further comprising, after the step of storing the first test condition in the memory module through the instruction input terminal:
and controlling the signal output end to output the first test signal corresponding to the first test condition through the control module.
7. The method of detecting an electrophoretic display layer according to claim 6, further comprising, after the step of controlling the signal output terminal to output the first test signal corresponding to the first test condition by a control module:
and inputting and storing a second test condition in the storage module through the instruction input end, wherein the second test condition corresponds to a second test signal, and the second test signal is different from the first test signal.
8. The method of detecting an electrophoretic display layer according to claim 7, further comprising, after the step of storing the second test condition in the memory module through the instruction input terminal:
and controlling the signal output end to output the second test signal corresponding to the second test condition through the control module, wherein the second test signal is different from the first test signal.
9. The method of detecting an electrophoretic display layer according to claim 4, wherein the detecting means further comprises:
the power input end is electrically connected with an external power supply;
the transformation module is electrically connected with the power input end, the control module and the signal output end and is configured to transform the power from the external power supply so as to provide the transformed power for the control module and the signal output end.
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| CN202110407040.8A CN115219580B (en) | 2021-04-15 | 2021-04-15 | Detection method of electrophoresis display layer |
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| DE60120315D1 (en) * | 2000-10-04 | 2006-07-20 | Seiko Epson Corp | Electrophoretic device and its production method |
| JP2007163842A (en) * | 2005-12-14 | 2007-06-28 | Seiko Epson Corp | Electrophoretic device, method for driving electrophoretic device, and electronic apparatus |
| KR20120002394A (en) * | 2010-06-30 | 2012-01-05 | 우 옵트로닉스 코포레이션 | Method for fabricating display panel |
| CN104285178A (en) * | 2012-08-22 | 2015-01-14 | 凸版印刷株式会社 | Electrophoretic display substrate, method for inspecting same, and electrophoretic display device |
| KR20180094426A (en) * | 2017-02-15 | 2018-08-23 | 주식회사 나노브릭 | Electrophoresis display film, method of fabricating electrophoresis display apparatus using the same, and electrophoresis display apparatus |
| CN110853555A (en) * | 2018-07-27 | 2020-02-28 | 三星显示有限公司 | Detection system and method for detecting display unit by using same |
| CN111505882A (en) * | 2020-03-27 | 2020-08-07 | 广州奥翼材料与器件研究院有限公司 | Electrophoretic display diaphragm and electrophoretic display |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI428879B (en) * | 2010-06-21 | 2014-03-01 | Au Optronics Corp | Separable electrophoresis display and data transmission method thereof |
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2021
- 2021-04-15 CN CN202110407040.8A patent/CN115219580B/en active Active
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| DE60120315D1 (en) * | 2000-10-04 | 2006-07-20 | Seiko Epson Corp | Electrophoretic device and its production method |
| JP2007163842A (en) * | 2005-12-14 | 2007-06-28 | Seiko Epson Corp | Electrophoretic device, method for driving electrophoretic device, and electronic apparatus |
| KR20120002394A (en) * | 2010-06-30 | 2012-01-05 | 우 옵트로닉스 코포레이션 | Method for fabricating display panel |
| CN104285178A (en) * | 2012-08-22 | 2015-01-14 | 凸版印刷株式会社 | Electrophoretic display substrate, method for inspecting same, and electrophoretic display device |
| KR20180094426A (en) * | 2017-02-15 | 2018-08-23 | 주식회사 나노브릭 | Electrophoresis display film, method of fabricating electrophoresis display apparatus using the same, and electrophoresis display apparatus |
| CN110853555A (en) * | 2018-07-27 | 2020-02-28 | 三星显示有限公司 | Detection system and method for detecting display unit by using same |
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