CN103484100A - Multicolor fluorescent powder for high brightness display and preparation method - Google Patents
Multicolor fluorescent powder for high brightness display and preparation method Download PDFInfo
- Publication number
- CN103484100A CN103484100A CN201310453842.8A CN201310453842A CN103484100A CN 103484100 A CN103484100 A CN 103484100A CN 201310453842 A CN201310453842 A CN 201310453842A CN 103484100 A CN103484100 A CN 103484100A
- Authority
- CN
- China
- Prior art keywords
- ball milling
- fluorescent powder
- ball
- multicolor
- high brightness
- 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.)
- Pending
Links
Landscapes
- Luminescent Compositions (AREA)
Abstract
The invention discloses multicolor fluorescent powder for high brightness display and a preparation method. The multicolor fluorescent powder comprises the following ingredients in percent by weight: 10.6 to 10.9 percent of blue fluorescent powder, 5.3 to 5.5 percent of red fluorescent powder, 5.3 to 5.5 percent of green fluorescent powder, 1.5 to 2.5 percent of K2SO3, 1.5 to 2.5 percent of tween 20, 1.5 to 2.5 percent of emulsifying agent PL92, 25.5 to 27.5 percent of polyvinyl alcohol (PVA), 2.5 to 3.5 percent of triethylene glycol, and deionized water for the surplus, wherein the general quantity is 100 percent; and the density of the multicolor fluorescent powder is 1.025 to 1.028g/cm<3>. By screening the formula of fluorescent powder, appropriate fluorescent powder (blue fluorescent powder adopts P34 powder, red fluorescent powder adopts P56 powder and green fluorescent powder adopts P43 powder) is selected, then mixture ratio optimizing, preparing and coating are performed, and a layer of multicolor screen of the multicolor fluorescent powder, with identical particle size and uniform thickness, is used for coating a display screen, so that the white brightness of a display tube is improved, and the display requirement on high brightness of the display tube is realized.
Description
Technical field
The present invention relates to a kind of multicolor phosphor and compound method shown for high brightness, be specifically related to a kind of multicolor phosphor and compound method that high brightness vacuum color liquid crystal Light valve display is used, belong to vacuum multicolor displaying technical field.
Background technology
Be widely used at present the lcd technology under airborne circumstance, due to the limitation that is subject to display mode, make it have certain shortcoming in brightness; The light that liquid crystal backlight sends finally arrives the liquid crystal display surface by the decay of whole optical system, and brightness will attenuate 90%, is difficult to reach the requirement of the high brightness of special requirement.
In order to realize the multicolor displaying of high brightness, just necessarily require a kind of novel multicolor displaying technology to substitute current lcd technology.Vacuum multicolor displaying technology is exactly a kind of technique of display that can realize high brightness, and can the quality that wherein multichrome screen is made determining the key that realize that high brightness shows.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the invention provides a kind of multicolor phosphor and compound method shown for high brightness.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of multicolor phosphor for the high brightness typotron: comprise following material composition, the weight percent of take means: blue colour fluorescent powder is 10.6-10.9%, and red fluorescence powder is 5.3-5.5%, green emitting phosphor 5.3-5.5%, K
2sO
3for 1.5-2.5%, polysorbas20 is 1.5-2.5%, and emulsifying agent (PL92) is 1.5-2.5%, and polyvinyl alcohol (PVA) is 25.5-27.5%, triglycol 2.5-3.5%, and surplus is deionized water, total amount is 100%.
The described multicolor phosphor for the high brightness typotron is characterized in that: the density of described multicolor phosphor is 1.025-1.028g/ cm
3.
The described multicolor phosphor for the high brightness typotron is characterized in that: the blazing dry residue of described polyvinyl alcohol is 9-10.5%.
The present invention also provides a kind of compound method of the multicolor phosphor for the high brightness typotron, comprises the following steps:
(1) in the ball milling bottle, add mill ball, then according to formula rate, add deionized water, then according to formula rate, take and add following raw materials according: blue colour fluorescent powder, red fluorescence powder, green emitting phosphor, K
2sO
3, polysorbas20, emulsifying agent (PL92) and polyvinyl alcohol;
(2) tighten the ball milling bottle cap, the ball milling bottle is put on ball mill, continuous ball milling 2-4 hour;
(3) take off the ball milling bottle from ball mill, and open bottle cap, get triglycol according to formula rate and join in the ball milling bottle, then tighten bottle cap, be put on ball mill and carry out ball milling 25-30 minute;
(4) finish ball milling, from the ball milling bottle, take out mill ball, obtain the multicolor phosphor finished product.
As preferred version, in described step (1), the weight of mill ball and the weight ratio of raw material gross weight are not less than 2:1.
As preferred version, the baton round that described mill ball is diameter 12-15mm.
Beneficial effect: multicolor phosphor and the compound method shown for high brightness provided by the invention, the formula of fluorescent material is screened, select suitable fluorescent material (blue colour fluorescent powder P34 powder; P56 powder, green emitting phosphor P43 powder for red fluorescence powder), be optimized again proportioning, compound method and coating method, it is consistent that realization applies one deck globule size on display screen, the polychrome screen of the multicolor phosphor of even thickness, can improve the white brightness of typotron like this, thereby realize the display requirement of typotron high brightness.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
A kind of multicolor phosphor for the high brightness typotron: comprise following material composition, the weight percent of take means: blue colour fluorescent powder (P34) is 10.6-10.9%, and red fluorescence powder (P56) is 5.3-5.5%, green emitting phosphor (P43) 5.3-5.5%, K
2sO
3for 1.5-2.5%, polysorbas20 is 1.5-2.5%, and emulsifying agent PL92 is 1.5-2.5%, and polyvinyl alcohol (PVA) is 25.5-27.5%, triglycol 2.5-3.5%, and surplus is deionized water, total amount is 100%.
The density of described multicolor phosphor is 1.025-1.028g/ cm
3.
The blazing dry residue of described polyvinyl alcohol is 9-10.5%.
A kind of compound method of the multicolor phosphor for the high brightness typotron comprises the following steps:
(1) in the ball milling bottle, add mill ball, then according to formula rate, add deionized water, take and add following raw materials according: blue colour fluorescent powder (P34), red fluorescence powder (P56), green emitting phosphor (P43), K
2sO
3, polysorbas20, PL92 and polyvinyl alcohol;
(2) tighten the ball milling bottle cap, the ball milling bottle is put on ball mill, continuous ball milling 2-4 hour;
(3) take off the ball milling bottle from ball mill, and open bottle cap, get triglycol according to formula rate and join in the ball milling bottle, then tighten bottle cap, be put on ball mill and carry out ball milling 25-30 minute;
(4) finish ball milling, from the ball milling bottle, take out mill ball, obtain the multicolor phosphor finished product.
As preferred version, in described step (1), the weight of mill ball and the weight ratio of raw material gross weight are not less than 2:1.
As preferred version, the baton round that described mill ball is diameter 12-15mm.
Embodiment 1:
A kind of compound method of the multicolor phosphor for the high brightness typotron comprises the following steps:
(1) in the ball milling bottle, add the baton round 200g of diameter 12-15mm, add deionized water, then take and add following raw materials according according to formula rate: blue colour fluorescent powder (P34) is 10.6%, red fluorescence powder (P56) is 5.5%, green emitting phosphor (P43) 5.5%, K
2sO
3be 1.5%, polysorbas20 is that 1.5%, PL92 is 2.5%, and polyvinyl alcohol (PVA) is 27.5%, and the weight ratio of the weight of mill ball and raw material gross weight is 2:1;
(2) tighten the ball milling bottle cap, the ball milling bottle is put on ball mill, continuous ball milling 2-4 hour;
(3) take off the ball milling bottle from ball mill, and open bottle cap, get triglycol 3.5% according to formula rate and join in the ball milling bottle, then tighten bottle cap, be put on ball mill and carry out ball milling 25-30 minute;
(4) finish ball milling, from the ball milling bottle, take out mill ball, obtaining density is 1.028g/cm
3the multicolor phosphor finished product.
Embodiment 2:
A kind of compound method of the multicolor phosphor for the high brightness typotron comprises the following steps:
(1) in the ball milling bottle, add the baton round 200g of diameter 12-15mm, add deionized water, then according to formula rate, take and add following raw materials according: blue colour fluorescent powder is 10.8%, red fluorescence powder is 5.4%, green emitting phosphor 5.4%, K
2sO
3be 2%, polysorbas20 is that 2%, PL92 is 2%, and polyvinyl alcohol (PVA) is 26.5%, and the weight ratio of the weight of mill ball and raw material gross weight is not less than 2:1;
(2) tighten the ball milling bottle cap, the ball milling bottle is put on ball mill, continuous ball milling 2-4 hour;
(3) take off the ball milling bottle from ball mill, and open bottle cap, get triglycol 2.5% according to formula rate and join in the ball milling bottle, then tighten bottle cap, be put on ball mill and carry out ball milling 25-30 minute;
(4) finish ball milling, from the ball milling bottle, take out mill ball, obtaining density is 1.027g/cm
3the multicolor phosphor finished product.
Embodiment 3:
A kind of compound method of the multicolor phosphor for the high brightness typotron comprises the following steps:
(1) in the ball milling bottle, add the baton round 200g of diameter 12-15mm, add deionized water, then according to formula rate, take and add following raw materials according: blue colour fluorescent powder is 10.9%, red fluorescence powder is 5.3%, green emitting phosphor 5.3%, K
2sO
3be 2.5%, polysorbas20 is that 2.5%, PL92 is 1.5%, and polyvinyl alcohol (PVA) is 25.5%, triglycol 3.5%, and the weight ratio of the weight of mill ball and raw material gross weight is not less than 2:1;
(2) tighten the ball milling bottle cap, the ball milling bottle is put on ball mill, continuous ball milling 2-4 hour;
(3) take off the ball milling bottle from ball mill, and open bottle cap, get triglycol according to formula rate and join in the ball milling bottle, then tighten bottle cap, be put on ball mill and carry out ball milling 25-30 minute;
(4) finish ball milling, from the ball milling bottle, take out mill ball, obtaining density is 1.026g/cm
3the multicolor phosphor finished product.
the coating of multicolor phosphor of the present invention is as follows:
The multicolor phosphor prepared before use should be on ball mill more than ball milling 30min, try to please and amass the multicolor phosphor of appropriate (15 ± 1ml), be filtered in the measuring cup of 20ml by the double-deck tiffany cloth of 240 purposes, simultaneously by screen to be coated, be placed under infrared lamp and be preheated to 30-35 ℃;
Then, screen to be coated is fixed on the fixture of whizzer, open the whizzer power supply, press the startup knob, become the position of 10-12 degree with horizontal plane at screen, under the rotating state that rotating speed is 10-15rpm, fluorescent material liquid in measuring cup is slowly poured in screen facing to the screen central position, do not allowed Bubble formation.After fluorescent material liquid covers whole panel, the whizzer cover plate is covered, whizzer enters automatic running program.The state of whizzer auto-programming setting has three kinds:
1, the angle of screen and level: (10-12) degree, time: 10S, rotating speed: (10-15) rpm;
2, the angle of screen and level: (175-185) degree, time: 5S, rotating speed: (190-200) rpm;
3, the angle of screen and level: (125-130) degree, time: 150S, rotating speed: (90-100) rpm, carry out the infrared hot wind drying.
After EP (end of program), the glass screen stops in the time of getting back to the first state position, take off screen, measure the temperature of screen with land surface pyrometer, the temperature of screen should be at (50-52) ℃, wait shielding temperature while being cooled to (25-30) ℃, wipe clean the unnecessary fluorescent material of screen surrounding with clean non-dust cloth, send to the screen inspection, after the screen inspection is qualified, can carry out next procedure.To now one bisque is even, thickness is suitable that 7 inches polychromes screens just complete.
The white brightness of 7 cun liquid crystal display of existing airborne use only has 850cd/m
2.By multicolor phosphor product in above-described embodiment 1-3 being applied to 7 cun screen liquid crystal light valves demonstration sample pipes making, test, result shows that the white brightness of this pipe can reach 1200cd/m
2above, realized the requirement of high brightness.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the multicolor phosphor for the high brightness typotron: comprise following material composition, the weight percent of take means: blue colour fluorescent powder is 10.6-10.9%, and red fluorescence powder is 5.3-5.5%, green emitting phosphor 5.3-5.5%, K
2sO
3for 1.5-2.5%, polysorbas20 is 1.5-2.5%, and emulsifying agent is 1.5-2.5%, and polyvinyl alcohol is 25.5-27.5%, triglycol 2.5-3.5%, and surplus is deionized water, total amount is 100%.
2. the multicolor phosphor for the high brightness typotron according to claim 1, it is characterized in that: the density of described multicolor phosphor is 1.025-1.028g/ cm
3.
3. the multicolor phosphor for the high brightness typotron according to claim 1 and 2, it is characterized in that: the blazing dry residue of described polyvinyl alcohol is 9-10.5%.
4. the compound method of more than one described multicolor phosphors for the high brightness typotron comprises the following steps:
(1) in the ball milling bottle, add mill ball, then according to formula rate, add deionized water, then according to formula rate, take and add following raw materials according: blue colour fluorescent powder, red fluorescence powder, green emitting phosphor, K
2sO
3, polysorbas20, emulsifying agent and polyvinyl alcohol;
(2) tighten the ball milling bottle cap, the ball milling bottle is put on ball mill, continuous ball milling 2-4 hour;
(3) take off the ball milling bottle from ball mill, and open bottle cap, get triglycol according to formula rate and join in the ball milling bottle, then tighten bottle cap, be put on ball mill and carry out ball milling 25-30 minute;
(4) finish ball milling, from the ball milling bottle, take out mill ball, obtain the multicolor phosphor finished product.
5. the compound method of the multicolor phosphor for the high brightness typotron according to claim 4 is characterized in that: in described step (1), the weight of mill ball and the weight ratio of raw material gross weight are not less than 2:1.
6. the compound method of the multicolor phosphor for the high brightness typotron according to claim 4, is characterized in that: the baton round that described mill ball is diameter 12-15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453842.8A CN103484100A (en) | 2013-09-29 | 2013-09-29 | Multicolor fluorescent powder for high brightness display and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310453842.8A CN103484100A (en) | 2013-09-29 | 2013-09-29 | Multicolor fluorescent powder for high brightness display and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103484100A true CN103484100A (en) | 2014-01-01 |
Family
ID=49824712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310453842.8A Pending CN103484100A (en) | 2013-09-29 | 2013-09-29 | Multicolor fluorescent powder for high brightness display and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103484100A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068677A (en) * | 1991-07-10 | 1993-02-03 | 三星电管株式会社 | The manufacture method of cathode ray tube screen |
| CN1160065A (en) * | 1996-03-15 | 1997-09-24 | 东南大学 | Inorganic adhesive fluorescent powder coating liquid and preparing method thereof |
| CN1626613A (en) * | 2003-12-12 | 2005-06-15 | 上海永新彩色显像管股份有限公司 | Method for preparing phosphor pulp in use for display tube |
-
2013
- 2013-09-29 CN CN201310453842.8A patent/CN103484100A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068677A (en) * | 1991-07-10 | 1993-02-03 | 三星电管株式会社 | The manufacture method of cathode ray tube screen |
| CN1160065A (en) * | 1996-03-15 | 1997-09-24 | 东南大学 | Inorganic adhesive fluorescent powder coating liquid and preparing method thereof |
| CN1626613A (en) * | 2003-12-12 | 2005-06-15 | 上海永新彩色显像管股份有限公司 | Method for preparing phosphor pulp in use for display tube |
Non-Patent Citations (1)
| Title |
|---|
| 《化学化工大辞典》编委会: "《化学化工大辞典(上、下册)》", 31 January 2003 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102945914B (en) | A kind of fluorescent glass coating for optical wavelength conversion and white light emitting device | |
| CN202548354U (en) | Colorful film substrate, display panel and display apparatus | |
| CN102702791A (en) | Color producing material with photonic crystal structure and preparation method thereof | |
| CN105204238B (en) | A kind of color membrane substrates and display panel, display device | |
| CN202710771U (en) | Color light filter, liquid crystal display panel and display device | |
| CN102832350B (en) | OLED and the manufacture method thereof of light emission rate is improved by PS microballoon layer | |
| CN106927677A (en) | A kind of method that utilization cullet prepare jade stone glass | |
| CN101261386A (en) | LCD device and light emitting unit | |
| CN109445139A (en) | A kind of manufacturing process of novel liquid crystal display screen | |
| CN106855681A (en) | Composition for black matrix and preparation method thereof, display base plate and display device | |
| CN205898644U (en) | Colored bituminous mixture color fastness survey device | |
| CN103819091A (en) | Preparation method for nitride phosphor/glass composite luminescent sheet layer | |
| CN103323968B (en) | A kind of display base plate and preparation method thereof, display device | |
| CN103484100A (en) | Multicolor fluorescent powder for high brightness display and preparation method | |
| CN202904168U (en) | Color film substrate, liquid crystal panel and liquid crystal display device | |
| CN202306114U (en) | Light source module and projector using same | |
| CN103805161A (en) | Preparation method for scintillating medium of secondary electron detector | |
| CN206178292U (en) | Display substrate, display panel and display device | |
| CN102681243A (en) | Display, and display module and manufacturing method thereof | |
| CN101592617B (en) | Method for detecting compatibility of CCFL fluorescent powder | |
| CN101354351B (en) | Method for testing fluorescent powder coated film characteristic by tricolor lamp | |
| CN108717214A (en) | A kind of application type optical reflectance coating and preparation method thereof | |
| CN104130725B (en) | A kind of core-shell type infrared resistant auxiliary agent and heat insulation EVA not gummosis glued membrane and preparation method | |
| CN204119167U (en) | Carry out solar module EL testing apparatus under visible light | |
| CN202472014U (en) | Color film substrate and display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140101 |