CN106292014A - A kind of method of testing of LCDs background color aberration - Google Patents
A kind of method of testing of LCDs background color aberration Download PDFInfo
- Publication number
- CN106292014A CN106292014A CN201610963072.5A CN201610963072A CN106292014A CN 106292014 A CN106292014 A CN 106292014A CN 201610963072 A CN201610963072 A CN 201610963072A CN 106292014 A CN106292014 A CN 106292014A
- Authority
- CN
- China
- Prior art keywords
- lcds
- background color
- aberration
- testing
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention relates to the method for testing of a kind of LCDs background color aberration, including: make the substrate of test；Choose the satisfactory LCDs of background color, be close on substrate, under natural light environment, use color difference meter to test L, a, b value of every piece of LCDs, and averaged is as L, a, b standard value；Find identical with described L, a, b standard value or immediate one piece of LCDs as standard sample；Using L, a, b standard value in described color difference meter is standard, tests the aberration Δ E of LCDs sample to be measured, if Δ E≤2.5, meets background color requirement.The present invention is by the method controlling value of chromatism, quantitatively judge the background color aberration of LCDs, avoid estimating the subjective factors brought, thus control liquid crystal background color, make the LCDs aberration between each batch of liquid crystal supply business be maintained in critical field, and it is consistent to control different liquid crystal supply business same type of LCDs background color holding.
Description
Technical field
The invention belongs to LCDs detection field, be specifically related to a kind of LCDs under non-display state or low
The method of testing of the background color aberration under power consumption state.
Background technology
LCDs needs have identical background color, and different background colors will have influence on the product of batch making on the whole
Outward appearance, is unfavorable for batch production and the management and control in quality, and in particular for the liquid crystal in terms of ammeter, same model is with a batch of
LCDs background color is multifarious, affects outward appearance, and easily makes people dazzled, eyestrain, it is difficult to meet client to aobvious
The high request of display screen, for the liquid crystal that background color is inconsistent, process of repeatedly doing over again, abnormality processing difficulty is big, and impact is paid and artificial
Cost.
Existing LCDs background color method of testing under non-display state or under low-power consumption mode is range estimation, different
People see identical product, visual sense feeling is widely different, and subjective factors affects test result, and different manufacturers produce not
Being difficult to compare with batch products, such as first product is paid and is given client, and subsequent batches will be difficult to compare with first
Relatively.Even if the method taking to formulate background color colour table, according to sample making, also it is range estimation, has subjective factors to affect equally, still deposit
Problem at background color aberration.Therefore, find a kind of method of testing from quantitative Angle ambiguity table meter background color aberration particularly important.
Summary of the invention
It is an object of the invention to the method for testing being to provide a kind of LCDs background color aberration, quantitatively judge liquid crystal
The background color aberration of display screen, it is to avoid the subjective factors that range estimation brings, thus control liquid crystal background color.
To achieve these goals, the present invention provides the method for testing of a kind of LCDs background color aberration, including:
Step one, makes the substrate of test, and described substrate is as bottom by coating black ink on base material, then
Bottom coats white ink make；
Step 2, chooses the satisfactory LCDs of background color, is close on substrate, under natural light environment,
Use color difference meter to test L, a, b value of every piece of LCDs, and ask for the meansigma methods of L, a, b as L, a, b standard value；
Step 3, find identical with described L, a, b standard value or immediate one piece of LCDs as standard sample, with
Just described L, a, b standard value is stored in color difference meter；
Step 4, using L, a, b standard value in described color difference meter is standard, tests the color of LCDs sample to be measured
Difference Δ E, if Δ E≤2.5, meets background color requirement.
In a specific embodiment, described base material is transparent makrolon material.
In a specific embodiment, described color difference meter is spectrophotometric color measurement instrument.
In a specific embodiment, described substrate L, a, b value scope is L=80.0～85.0, a=-1.10～-
1.25, b=-1.80～-1.95.
In a specific embodiment, described LCDs is the LCDs just showing semi-transparent pattern, such as
HTN, FSTN, TN or stn liquid crystal screen.
In a specific embodiment, described natural light environment be illuminance be the environment of 100～2000lux.Preferably
, described natural light environment is fine day indoor environment.
The first black ink that coats on base material of the present invention is as bottom, then coats white ink, such place on bottom
Reason makes its L, a, b value reach L=80.0～85.0, a=-1.10～-1.25, b=-1.80～-1.95, LCDs is put
Testing on this substrate, more can accurately present the background color of LCDs, it is more accurate to test.
The method of testing of the LCDs background color aberration that the present invention provides, is primarily adapted for use in LCDs non-display
Background color chromatism test under state, be also applied for ammeter under low-power consumption mode during backlight no power LCDs display time
Background color chromatism test.
According to technique scheme, the inventive method, for making a substrate, as standard testing use, with this substrate, is adopted
The L of each LCDs, a, b value, and averaged is tested as standard value, the liquid crystal to each producer with color difference meter
Display screen test aberration Δ E, integrated color difference scope is as standards of chromatic aberration span of control, by the method controlling value of chromatism, comes quantitatively
Judge the background color aberration of LCDs, it is to avoid the subjective factors that range estimation brings, thus control liquid crystal background color, make liquid crystal supply business
In process of production, the LCDs aberration between each batch can be maintained in critical field, and can control different liquid crystal
Supplier's same type of LCDs background color keeps consistent, accomplishes that Ge Jia producer color is unified, generally applicable, thus reduces life
Product is done over again and customer complaint rate.
Accompanying drawing explanation
Fig. 1: embodiment 1 complete after makrolon material substrate figure；
Fig. 2: HTN is just showing semi-transparent LCDs standard value figure in spectral photometer；
Fig. 3: FSTN is just showing semi-transparent LCDs standard value figure in spectral photometer；
Fig. 4: different mode different manufacturers just show semi-transparent LCDs figure.
Detailed description of the invention
The inventive method is mainly for just showing the LCDs of semi-transparent pattern, and such as HTN, FSTN, TN or STN etc. are the most aobvious
The LCDs of semi-transparent pattern, the semi-transparent pattern of preferably HTN or FSTN forward.
Base material used by the present invention can be soft hard material, can be macromolecular material plate, plank, cardboard, metallic plate etc., preferably
Macromolecular material, more preferably makrolon material, the most transparent makrolon material.
Citing below is further elucidated with the present invention.Following example are intended to illustrate rather than enters one to the present invention
Step limits.
Embodiment 1
One use transparent polycarbonate material make 0.5mm polymeric substrate (model: transparent PC plate, producer: on
The devoted plastic cement Science and Technology Ltd. in sea) upper one layer of black ink of uniform bat printing (model: ENH black pad-transfer printing ink, producer: Dongguan
Cai Hui printing apparatus company limited of city), first remove dust and the oil stain on printed document surface before printing, after being dried 12h under room temperature, then
Above black ink, uniform bat printing white ink layer (model: ENH white pad-transfer printing ink, producer: the Dongguan City coloured silk sunshine copier
Material company limited), after normal temperature drying 12h, the substrate tested as the present invention uses.Use spectral photometer (model: CM-
700d, producer: Konica Minolta) under fine day indoor environment, test its L, a, b value is respectively L=81.6, a=-1.18, b
=-1.89.
Embodiment 2
Extraction high-volume Chenzhou crystalline substance news, Jiangmen hundred million all, micro-and Hubei Mace the satisfactory HTN of background color in autumn fields, Shenzhen just
Aobvious semi-transparent LCDs, is close to LCDs to lie on the substrate that embodiment 1 is made respectively, and display screen is by facing
Angle is discharged, and uses spectral photometer (model: CM-700d, producer: Konica Minolta) to test L, a under fine day indoor environment,
B value, the test port of spectral photometer is vertically close to LCDs front center, is prevented light leak, after having tested, asks for respectively
The L of four producer's each LCDs, the meansigma methods of a, b, and finally ask for the L of four producers, and a, b meansigma methods, obtain HTN
Just showing the L=50.21 of semi-transparent liquid crystal, a=-6.99, b=10.35 value is as the standard value under this pattern.Use spectrophotometric test again
Instrument to many product test L, a, b value, finds and has one piece of LCDs of identical value with standard value, in order to by this L, a,
B value is stored in spectral photometer, as follow-up standard.Last with standard as reference, use spectral photometer to all producers
The close HTN of all background colors is just showing semi-transparent LCDs test color difference, takes the final value of chromatism integrating paradigm meeting and requiring
For value of chromatism scope, HTN is just showing semi-transparent Δ E≤2.5 that take, and is just showing semi-transparent LCDs with other TN, FSTN, STN and carry out
Contrast, confirms that taking value of chromatism scope is Δ E≤2.5, can't conflict mutually with the semi-transparent LCDs that just shows of other patterns,
Checking accuracy.If follow-up needs judges that HTN is just showing whether semi-transparent LCDs background color meets the requirements, then light splitting is used to survey
Examination instrument test aberration, aberration i.e. meets requirement in the range of Δ E≤2.5, reaches rational judgment background color aberration, thus reaches to control
The purpose of background color.
Each producer L of test, the meansigma methods of a, b value is as follows:
Using L=50.21, a=-6.99, b=10.35 are standard value, and the HTN of each producer is just being shown semi-transparent liquid crystal
Display screen test aberration, all in the range of Δ E≤2.5, part chromatism data is as follows:
Using L=50.21, a=-6.99, b=10.35 are standard value, TN, FSTN, the STN just aobvious half to each producer
Transparent liquid crystal display screen test aberration, equal Δ E is far longer than 2.5, is not just showing the standard aberration model of semi-transparent LCDs with HTN
Enclosing and conflict mutually, part chromatism data is as follows:
Embodiment 3
Autumn fields, Shenzhen is micro-for extraction high-volume, the brilliant news in Chenzhou, Hainan Tsing-Hua University and the close FSTN of Jiangmen hundred million background color all the most aobvious
Semi-transparent LCDs, takes the method that embodiment 2 is same, asks for the L of four producer's each LCDs respectively, a, b's
Meansigma methods, and finally ask for the L of four producers, a, b meansigma methods, obtain FSTN and just show the L=56.38 of semi-transparent liquid crystal, a=-
5.83, b=6.08 values are as the standard value under this pattern.Use spectral photometer to many product test L, a, b value again, obtain
The value identical with standard value, is stored in spectral photometer, as follow-up standard.Last with standard as reference, use light splitting to survey
The FSTN trying instrument background color all to all producers close is just showing semi-transparent LCDs test color difference, takes final satisfied requirement
Value of chromatism integrating paradigm is value of chromatism scope, and FSTN is just showing semi-transparent and taking Δ E≤2.5, if follow-up needs judges FSTN just aobvious half
Whether transparent liquid crystal display screen background color meets the requirements, then use spectral photometer test aberration, and aberration is in the range of Δ E≤2.5
Meet requirement, reach rational judgment background color aberration, thus reach to control the purpose of background color.
Each producer L of test, the meansigma methods of a, b value is as follows:
Using L=56.38, a=-5.83, b=6.08 are standard value, and the FSTN of each producer is just being shown semi-transparent liquid crystal
Display screen test aberration, all in the range of Δ E≤2.5, part chromatism data is as follows:
Claims (8)
1. the method for testing of a LCDs background color aberration, it is characterised in that include following step:
Step one, makes the substrate of test, and described substrate is as bottom by coating black ink on base material, then the end of at
Coat white ink on layer to make；
Step 2, chooses the satisfactory LCDs of background color, is close on substrate, under natural light environment, uses
Color difference meter tests L, a, b value of every piece of LCDs, and asks for the meansigma methods of L, a, b as L, a, b standard value；
Step 3, finds identical with described L, a, b standard value or immediate one piece of LCDs as standard sample, in order to will
Described L, a, b standard value is stored in color difference meter；
Step 4, using L, a, b standard value in described color difference meter is standard, tests the aberration Δ of LCDs sample to be measured
E, if Δ E≤2.5, meets background color requirement.
The method of testing of LCDs background color aberration the most according to claim 1, it is characterised in that described base material is
Bright makrolon material.
The method of testing of LCDs background color aberration the most according to claim 1, it is characterised in that described color difference meter is
Spectrophotometric color measurement instrument.
4. according to the method for testing of the LCDs background color aberration described in claim 1 or 3, it is characterised in that described substrate L,
A, b value scope is L=80.0～85.0, a=-1.10～-1.25, b=-1.80～-1.95.
The method of testing of LCDs background color aberration the most according to claim 1, it is characterised in that described liquid crystal display
Screen is for just showing the LCDs of semi-transparent pattern.
The method of testing of LCDs background color aberration the most according to claim 5, it is characterised in that described liquid crystal display
Screen is HTN, FSTN, TN or stn liquid crystal screen.
The method of testing of LCDs background color aberration the most according to claim 1, it is characterised in that the described natural ring of light
Border be illuminance be the environment of 100～2000lux.
The method of testing of LCDs background color aberration the most according to claim 7, it is characterised in that the described natural ring of light
Border is fine day indoor environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963072.5A CN106292014B (en) | 2016-11-04 | 2016-11-04 | Method for testing liquid crystal display screen bottom color difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963072.5A CN106292014B (en) | 2016-11-04 | 2016-11-04 | Method for testing liquid crystal display screen bottom color difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106292014A true CN106292014A (en) | 2017-01-04 |
| CN106292014B CN106292014B (en) | 2019-12-06 |
Family
ID=57719597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610963072.5A Active CN106292014B (en) | 2016-11-04 | 2016-11-04 | Method for testing liquid crystal display screen bottom color difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106292014B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179179A (en) * | 2017-05-19 | 2017-09-19 | 合肥市惠科精密模具有限公司 | A kind of chromatism test and correcting method of AMOLED screens |
| CN108646447A (en) * | 2017-11-23 | 2018-10-12 | 明灏科技（北京）有限公司 | The use asthenopia test method of liquid crystal display |
| CN108986674A (en) * | 2017-11-23 | 2018-12-11 | 北京市眼科研究所 | LED display with eye-protecting function |
| CN109036170A (en) * | 2017-11-23 | 2018-12-18 | 北京市眼科研究所 | Liquid crystal display with eye-protecting function |
| CN109091103A (en) * | 2017-11-23 | 2018-12-28 | 明灏科技（北京）有限公司 | The use asthenopia test method of LED display |
| CN109141627A (en) * | 2017-11-23 | 2019-01-04 | 北京市眼科研究所 | The use asthenopia test method of lighting apparatus |
| CN111160476A (en) * | 2019-12-31 | 2020-05-15 | 佛山喀视科技有限公司 | Color difference detection model generation method, tile color separation method and device |
| CN112002249A (en) * | 2019-05-27 | 2020-11-27 | 琳得科株式会社 | Display body and adhesive sheet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006119268A (en) * | 2004-10-20 | 2006-05-11 | Nec Display Solutions Ltd | Back light adjusting system, program, and recording medium |
| CN101277370A (en) * | 2007-03-26 | 2008-10-01 | 村田机械株式会社 | Image processing apparatus and method for detecting a background color |
| JP4540298B2 (en) * | 2003-03-20 | 2010-09-08 | 三菱電機株式会社 | Image display device and image display method |
| CN103444940A (en) * | 2012-05-29 | 2013-12-18 | 云南天士力帝泊洱生物茶集团有限公司 | Method of correcting product colors |
| CN105242417A (en) * | 2015-10-23 | 2016-01-13 | 中航华东光电有限公司 | Testing method for consistency of bottom colors for display module |
| CN105825798A (en) * | 2016-04-29 | 2016-08-03 | 深圳市计量质量检测研究院 | Method for testing display screen color reduction based on visual perception |
-
2016
- 2016-11-04 CN CN201610963072.5A patent/CN106292014B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4540298B2 (en) * | 2003-03-20 | 2010-09-08 | 三菱電機株式会社 | Image display device and image display method |
| JP2006119268A (en) * | 2004-10-20 | 2006-05-11 | Nec Display Solutions Ltd | Back light adjusting system, program, and recording medium |
| CN101277370A (en) * | 2007-03-26 | 2008-10-01 | 村田机械株式会社 | Image processing apparatus and method for detecting a background color |
| CN103444940A (en) * | 2012-05-29 | 2013-12-18 | 云南天士力帝泊洱生物茶集团有限公司 | Method of correcting product colors |
| CN105242417A (en) * | 2015-10-23 | 2016-01-13 | 中航华东光电有限公司 | Testing method for consistency of bottom colors for display module |
| CN105825798A (en) * | 2016-04-29 | 2016-08-03 | 深圳市计量质量检测研究院 | Method for testing display screen color reduction based on visual perception |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179179A (en) * | 2017-05-19 | 2017-09-19 | 合肥市惠科精密模具有限公司 | A kind of chromatism test and correcting method of AMOLED screens |
| CN108646447A (en) * | 2017-11-23 | 2018-10-12 | 明灏科技（北京）有限公司 | The use asthenopia test method of liquid crystal display |
| CN108986674A (en) * | 2017-11-23 | 2018-12-11 | 北京市眼科研究所 | LED display with eye-protecting function |
| CN109036170A (en) * | 2017-11-23 | 2018-12-18 | 北京市眼科研究所 | Liquid crystal display with eye-protecting function |
| CN109091103A (en) * | 2017-11-23 | 2018-12-28 | 明灏科技（北京）有限公司 | The use asthenopia test method of LED display |
| CN109141627A (en) * | 2017-11-23 | 2019-01-04 | 北京市眼科研究所 | The use asthenopia test method of lighting apparatus |
| CN112002249A (en) * | 2019-05-27 | 2020-11-27 | 琳得科株式会社 | Display body and adhesive sheet |
| CN111160476A (en) * | 2019-12-31 | 2020-05-15 | 佛山喀视科技有限公司 | Color difference detection model generation method, tile color separation method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106292014B (en) | 2019-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106292014A (en) | A kind of method of testing of LCDs background color aberration | |
| Dekker et al. | Total appearance differences for metallic and pearlescent materials: contributions from color and texture | |
| CN109444137B (en) | Method for detecting covering power of black and white grids of coating | |
| CN107084927B (en) | Substrate chromaticity detection method and device | |
| CN104931238B (en) | A kind of device and method for testing translucent display substrate transparent effect | |
| US20180052053A1 (en) | Universal color tag and tracing system | |
| Ford | Non-destructive microfade testing at the National Museum of Australia | |
| CN106226033A (en) | Method and device for detecting transmittance of transparent substrate | |
| CN103900795A (en) | Device and method for testing transparent effect of transparent display screen | |
| Höpe et al. | " Multidimensional reflectometry for industry"(xD-Reflect) an European research project | |
| CN206440918U (en) | A kind of display base plate measurement jig | |
| CN109342335B (en) | Building facing material chromatic aberration analysis method | |
| CN103713406A (en) | Method for detecting liquid crystal display | |
| CN101527859B (en) | Method for adjusting gray scale white balance of display | |
| CN214583767U (en) | Testing device for detecting internal stress of transparent acrylic | |
| CN212748133U (en) | Testing arrangement of inspection transparent aviation organic glass panel internal stress | |
| CN207379707U (en) | A kind of polaroid light transmittance measuring device | |
| Melgosa et al. | Color-quality control using color-difference formulas: progress and problems | |
| CN111721415B (en) | Color measuring instrument and color measuring method for realizing automatic compensation and accurate color measurement based on environmental change | |
| CN101846830B (en) | Improvement method of color cast of liquid crystal display | |
| CN103175749A (en) | Method for testing scratch resistance of internal and external plastic ornaments of automobile | |
| CN110633536B (en) | Method for improving metameric performance by using computer system | |
| CN104977738A (en) | Method for detecting pixel of colored film substrate | |
| TW201319545A (en) | Optical measurement apparatus | |
| CN113703203B (en) | Automatic testing method for display uniformity of LCD screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |