CN1598678A - Organic luminescent material thin-film transistor liquid crystal display - Google Patents
Organic luminescent material thin-film transistor liquid crystal display Download PDFInfo
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- CN1598678A CN1598678A CN 200410087068 CN200410087068A CN1598678A CN 1598678 A CN1598678 A CN 1598678A CN 200410087068 CN200410087068 CN 200410087068 CN 200410087068 A CN200410087068 A CN 200410087068A CN 1598678 A CN1598678 A CN 1598678A
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Abstract
The invention discloses an organic light emitting material film transistor liquid crystal display structure, the character of it is that the structure at least includes: a vitreous basis material; a film transistor which is formed on the vitreous basis material and be used as control circuit of liquid crystal display; an electric layer, which is formed on the top of the film transistor; a covering flux, which is formed on the film transistor and the electric layer to be a flat surface; an organic light emitting material design layer, which is formed on the covering flux; a photic electric layer, which is formed on the organic light emitting material design layer; and a lightproof design layer, which is formed in the organic light emitting material design layer and be used to protect mixed situation of different colorful light. The invention uses organic light material as light emitting source of film transistor display, so the good manufacture process ratio is improved effective and the manufacture cost is reduced greatly.
Description
This case is that application number is dividing an application of No. 02124339.5 application case, and the applying date of this application is: on 06 19th, 2002, invention and created name was: the structure of LCD of organic luminous material film transistor and manufacture method thereof.
Technical field
The present invention relates to a kind of Thin Film Transistor-LCD, particularly relevant for a kind of LCD of organic luminous material film transistor.
Background technology
The illumination mode of existing Thin Film Transistor-LCD is divided into active luminous luminous with passive type, more early stage illumination mode is the passive type illumination mode, use a backlight as light emitting source in the behind of glass substrate, utilize the thin film transistor integrated circuit on glass substrate then, be controlled at the liquid crystal layer between glass substrate and the printing opacity electro-conductive glass, make that the liquid crystal layer can printing opacity or light tight, then, pass of the optical filtering action of the light of liquid crystal layer through color filter, make the light that is sent have three kinds of different colors of RGB, utilize signal processing mode again, bright spot through three kinds of different colours is carried out the color mixed light, to reach the purpose of colorful visualization.This passive type illumination mode need use backlight, and must adjust the aperture opening ratio of LCD, to obtain light intensity preferably.
Along with the continuous development of luminescent material, utilize luminescent material to be used as the light emitting source of Thin Film Transistor-LCD, become the trend of a development in science and technology.Among Thin Film Transistor-LCD, use luminous organic material as light emitting source, and use thin film transistor (TFT) as controlling luminous organic material or service voltage driving circuit to luminous organic material, the bright spot of LCD can be controlled easily, the structure and the manufacture method of Thin Film Transistor-LCD can be significantly simplified.
The trend of existing luminescent material, maturation develops the luminous organic material that red bluish-green three kinds of primary colors, not only can be used for the main body of light-emitting diode, more can be used in the light emitting source of TFT thin film transistor monitor.Because, use the light emitting source of luminous organic material as TFT thin film transistor monitor, only need use micro-photographing process and etch process to carry out pattern definition, make process rate effectively to be promoted, not be subject to the manufacture process of liquid crystal layer for the luminous organic material layer.
Therefore, the structure and the manufacture method thereof that need a kind of Thin Film Transistor-LCD, use the light emitting source of red bluish-green luminous organic material as LCD, cooperate the assembling of shielding pattern layer, reach the purpose of colorful visualization, moreover, propose a kind of with the manufacture method of luminous organic material as the light emitting source of LCD, assembling liquid crystal display effectively.
Summary of the invention
For overcoming the defective of above-mentioned prior art, the invention provides a kind of LCD of organic luminous material film transistor, its objective is and utilize the light emitting source of red blue green light luminous organic material patterned layer, use the whether luminous of thin film transistor (TFT) control luminous organic material patterned layer as LCD.
Another object of the present invention is, uses red blue green light luminous organic material as light emitting source, directly controls the whether luminous of coloured light, reaches the purpose of modulation coloured light, do not need color filter, i.e. Chromatically colorable video picture.
A further object of the present invention is, uses red blue green light luminous organic material as light emitting source, utilizes thin film transistor (TFT) and printing opacity conductive glass layer to control the whether luminous of red blue green light luminous organic material.
For reaching above-mentioned purpose, the structure of a kind of LCD of organic luminous material film transistor of the present invention is characterized in that the structure of described LCD of organic luminous material film transistor comprises at least: a glass baseplate; One thin film transistor (TFT) is formed on this glass baseplate, as the control circuit of this LCD; One conductive layer is formed on the top of this thin film transistor (TFT); One overlayer is formed on this thin film transistor (TFT) and this conductive layer, to form a flat surfaces; One luminous organic material patterned layer is formed on this overlayer; One light transmission conductive layer is formed on this luminous organic material patterned layer; And a shielding pattern layer, be formed on this luminous organic material patterned layer, to prevent the mixed light situation between the different color light.
LCD of organic luminous material film transistor of the present invention, use the light emitting source of luminous organic material as TFT thin film transistor monitor, only need use micro-photographing process and etch process to carry out pattern definition for the luminous organic material layer, make process rate effectively to be promoted, be not subject to the manufacture process of liquid crystal layer, greatly reduce manufacturing cost.
Description of drawings
Fig. 1 shows the structural profile synoptic diagram of LCD of the present invention;
Fig. 2 shows the structural profile synoptic diagram of LCD of the present invention;
Fig. 3 shows the structural profile synoptic diagram of LCD of the present invention.
Symbol description:
Glass baseplate～100
Thin film transistor (TFT)～110
Conductive layer～120
Overlayer～130
Red-light organic luminous material patterned layer～151
Green glow luminous organic material patterned layer～152
Blue light organic luminescent material patterned layer～153
Light transmission conductive layer～160
Embodiment
The present invention discloses a kind of structure and manufacture method thereof of LCD of organic luminous material film transistor, the substrate of one glass baseplate as LCD is provided, on glass baseplate, form a plurality of thin film transistor (TFT)s, control circuit as LCD, then, cover a conductive layer on the top of thin film transistor (TFT), to form the metal contact layer of thin film transistor (TFT).Then, on thin film transistor (TFT) and conductive layer, cover a smooth rete, definition red-light organic luminous material patterned layer, blue light organic luminescent material patterned layer and green glow luminous organic material patterned layer on smooth rete, and the luminous organic material patterned layer is all in alignment with thin film transistor (TFT), makes thin film transistor (TFT) whether luminous with the Control of Voltage luminescent material.End face in the luminous organic material patterned layer covers the printing opacity conductive glass layer, as one of electrode of luminous organic material patterned layer, last, on overlayer, deposit shielding pattern layer, to be filled in the opening between the luminous organic material patterned layer, resemble to avoid the mixed light line between the different color light.
See also Fig. 1, on a glass baseplate, form several thin film transistor (TFT)s, form metal level on the top of thin film transistor (TFT), as metal contact layer.One glass baseplate 100 is provided,, on glass baseplate 100, forms several thin film transistor (TFT)s 110, as the control circuit of LCD as the substrate of Thin Film Transistor-LCD.Then, form the top that conductive layer 120 covers thin film transistor (TFT) 110, to form the metal contact layer of thin film transistor (TFT) 110, the preferred embodiment one of according to the present invention, the composition material of conductive layer 120 is the metallic conduction material.
See also Fig. 2, on thin film transistor (TFT) and metal level, form an overlayer, to form a flat surfaces.Overlayer 130 is formed on thin film transistor (TFT) 110 and the conductive layer 120, to form a flat surfaces, according to preferred embodiment of the present invention, the composition material of overlayer 130 is polyimide (polyimide) material, Acrylize (polyacrylate) material or transparent photoresist.According to preferred embodiment of the present invention, the composition material of overlayer 130 is a silicon nitride material, and uses the cmp processing procedure that planarization is carried out on the surface of overlayer 130.
See also Fig. 3, sequential definition red-light organic luminous material layer, blue light organic luminescent material layer and green glow luminous organic material layer on overlayer, top at the luminous organic material layer covers the printing opacity conductive glass layer, defines shielding pattern layer at last between the luminous organic material layer.Form red-light organic luminous material patterned layer 151 on overlayer 130, deposition one deck red-light organic luminous material uses little shadow and etch process then earlier, with definition red-light organic luminous material patterned layer 151.Then, use identical manufacturing method thereof, definition blue light organic luminescent material patterned layer 153 and green glow luminous organic material patterned layer 152 on overlayer 130.According to a preferred embodiment of the present invention, the composition material of red light-emitting organic material patterned layer is the red light-emitting diode organic material, the composition material of blue light emitting organic material patterned layer is the blue light-emitting diode organic material, and the composition material of green luminescence organic material patterned layer is the green light LED organic material.
See also Fig. 3, one light transmission conductive layer 160 is formed on the end face of red-light organic luminous material patterned layer 151, blue light organic luminescent material patterned layer 153 and green glow luminous organic material patterned layer 152, one of the present invention preferred embodiment, the composition material of light transmission conductive layer 160 are ITO (tin indium oxide) material.At last, form a shielding pattern layer 140, between red-light organic luminous material patterned layer 151, blue light organic luminescent material patterned layer 153 and green glow luminous organic material patterned layer 152, to prevent the mixed light situation between the different color light.Wherein, the luminous organic material patterned layer makes thin film transistor (TFT) to reach the purpose of controlling red bluish-green three primary colors bright spot respectively with Control of Voltage luminous organic material patterned layer in alignment with thin film transistor (TFT).
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those who are familiar with this art, without departing from the spirit and scope of the invention; when can doing a little change and retouching, so the present invention's protection domain is as the criterion when looking claims person of defining.
Claims (6)
1. the structure of a LCD of organic luminous material film transistor is characterized in that the structure of described LCD of organic luminous material film transistor comprises at least:
One glass baseplate;
One thin film transistor (TFT) is formed on this glass baseplate, as the control circuit of this LCD;
One conductive layer is formed on the top of this thin film transistor (TFT);
One overlayer is formed on this thin film transistor (TFT) and this conductive layer, to form a flat surfaces;
One luminous organic material patterned layer is formed on this overlayer;
One light transmission conductive layer is formed on this luminous organic material patterned layer; And
One shielding pattern layer is formed on this luminous organic material patterned layer, to prevent the mixed light situation between the different color light.
2. the structure of LCD of organic luminous material film transistor as claimed in claim 1, it is characterized in that: this luminous organic material patterned layer is selected from red-light organic luminous material patterned layer, blue light organic luminescent material patterned layer and green luminescence organic material patterned layer.
3. the structure of LCD of organic luminous material film transistor as claimed in claim 1, it is characterized in that: the composition material of this conductive layer comprises conductive metallic material.
4. the structure of LCD of organic luminous material film transistor as claimed in claim 1, it is characterized in that: this tectal composition material is selected from one of them of polyimide material, Acrylize material and group that transparent photoresist is formed.
5. the structure of LCD of organic luminous material film transistor as claimed in claim 1, it is characterized in that: this tectal composition material comprises silicon nitride material, and uses the cmp processing procedure that planarization is carried out on this tectal surface.
6. the structure of LCD of organic luminous material film transistor as claimed in claim 1, it is characterized in that: the composition material of this light transmission conductive layer comprises the ITO material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410087068 CN1598678A (en) | 2002-06-19 | 2002-06-19 | Organic luminescent material thin-film transistor liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410087068 CN1598678A (en) | 2002-06-19 | 2002-06-19 | Organic luminescent material thin-film transistor liquid crystal display |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021243395A Division CN1191493C (en) | 2002-06-19 | 2002-06-19 | Structure for LCD of organic luminous material film transistor and making method therof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1598678A true CN1598678A (en) | 2005-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410087068 Pending CN1598678A (en) | 2002-06-19 | 2002-06-19 | Organic luminescent material thin-film transistor liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1598678A (en) |
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2002
- 2002-06-19 CN CN 200410087068 patent/CN1598678A/en active Pending
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