EP1936588A2 - Appareil d'affichage et son procédé de fabrication - Google Patents

Appareil d'affichage et son procédé de fabrication Download PDF

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Publication number
EP1936588A2
EP1936588A2 EP07123414A EP07123414A EP1936588A2 EP 1936588 A2 EP1936588 A2 EP 1936588A2 EP 07123414 A EP07123414 A EP 07123414A EP 07123414 A EP07123414 A EP 07123414A EP 1936588 A2 EP1936588 A2 EP 1936588A2
Authority
EP
European Patent Office
Prior art keywords
display apparatus
driving circuit
crystalline
integrated driving
electrode array
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.)
Withdrawn
Application number
EP07123414A
Other languages
German (de)
English (en)
Other versions
EP1936588A3 (fr
Inventor
Wen-Jyh Sah
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gigno Technoogy Co Ltd
Original Assignee
Gigno Technoogy Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gigno Technoogy Co Ltd filed Critical Gigno Technoogy Co Ltd
Publication of EP1936588A2 publication Critical patent/EP1936588A2/fr
Publication of EP1936588A3 publication Critical patent/EP1936588A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0404—Matrix technologies
    • G09G2300/0408—Integration of the drivers onto the display substrate
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • G09G3/344—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix

Definitions

  • the invention relates to a display apparatus and a manufacturing method thereof. More particularly, the invention relates to a display apparatus having a non-crystalline integrated driving circuit and a manufacturing method thereof.
  • the display apparatus has been developed from the initial cathode ray tube (CRT) display apparatus to the thinner liquid crystal display (LCD) apparatus, and is widely applied to the communication, information and consumer electronic products.
  • CTR cathode ray tube
  • LCD liquid crystal display
  • a display apparatus 1 shown in FIG. 1 includes a glass substrate 11, a pixel array 12 and a plurality of driving circuit chips 13.
  • the pixel array 12 is disposed on the glass substrate 11 according to the thin film manufacturing technology.
  • the driving circuit chips 13 are manufactured according to the package technology and are then combined with the glass substrate 11 according to the chip-on-glass (COG) manufacturing technology, and are electrically connected with the pixel array 12 to drive the pixel array 12 to generate an image frame.
  • COG chip-on-glass
  • the pixel array 12 is disposed on the glass substrate 11 according to the film manufacturing technology, and then the driving circuit chips 13 are manufactured according to the package technology and are then combined with the glass substrate 11 according to the chip-on-glass (COG) manufacturing technology. Then, the manufacturing processes are complicated.
  • the driving circuit chips 13 may be divided into a scan line driving circuit chip and a data line driving circuit chip, which have to be manufactured according to different manufacturing technology due to different circuit complexity thereof. Thus, the complexity of the manufacturing processes of the display apparatus 1 is increased.
  • the size of the substrate 11 has to be configured to provide a space for accommodating the pixel array 12 and the driving circuit chip 13, and a plurality of preserved spaces 111 for the COG manufacturing processes of the driving circuit chip 13 (e.g., the space for the hot pressing head).
  • the size of the glass substrate 11 cannot be effectively reduced.
  • the thickness D 1 of the driving circuit chip 13 is usually determined according to the chip package design and cannot be easily decreased.
  • the overall thickness D 0 of the display apparatus 1 cannot be effectively decreased.
  • the invention is to provide a display apparatus, which can be manufactured in a simplified manner and has the miniaturized product size, and a manufacturing method thereof.
  • the invention discloses a display apparatus including a substrate, an electrode array, a non-crystalline column integrated driving circuit and a non-crystalline row integrated driving circuit.
  • the electrode array is formed on the surface of the substrate.
  • the non-crystalline column integrated driving circuit is formed on the surface of the substrate and electrically connected with the electrode array.
  • the non-crystalline row integrated driving circuit is formed on the surface of the substrate and electrically connected with the electrode array.
  • the invention also discloses a manufacturing method of a display apparatus.
  • the method includes the steps of forming a non-crystalline column integrated driving circuit, a non-crystalline row integrated driving circuit and an electrode array on a substrate simultaneously, and disposing an opto-electronic display unit opposite to the electrode array.
  • the display apparatus and the manufacturing method thereof according to the invention have the following features.
  • the non-crystalline column integrated driving circuit, the non-crystalline row integrated driving circuit and the electrode array are simultaneously formed on the substrate according to the non-crystalline manufacturing process.
  • the manufacturing method of the invention has simplified steps.
  • the conventional driving circuit chip is replaced with the non-crystalline column integrated driving circuit and the non-crystalline row integrated driving circuit in the invention.
  • FIG. 1 is a schematic illustration showing a conventional display apparatus
  • FIG. 2 is a schematic side view showing the display apparatus of FIG. 1 ;
  • FIG. 3 is a schematic illustration showing a display apparatus according to a preferred embodiment of the invention.
  • FIG. 4 is a schematic illustration showing the display apparatus, which further includes a flexible printed circuit, according to the preferred embodiment of the invention.
  • FIG. 5A is a schematic illustration showing the display apparatus, which further includes a film and a control chip, according to the preferred embodiment of the invention, wherein the control chip is disposed on the film according to the chip-on-film technology;
  • FIG. 5B is a schematic illustration showing the display apparatus according to the preferred embodiment of the invention, wherein the control chip is disposed on a surface of a substrate;
  • FIG. 6 is a schematic illustration showing the display apparatus, which further includes an opposing electrode unit and an opto-electronic display unit, according to the preferred embodiment of the invention
  • FIG. 7 is a schematic block diagram showing the display apparatus being an electrophoresis display apparatus according to the preferred embodiment of the invention.
  • FIG. 8 is a schematic side view showing the display apparatus of FIG. 7 ;
  • FIG. 9 is a schematic flow chart showing a manufacturing method of the display apparatus according to the preferred embodiment of the invention.
  • a display apparatus 2 includes a substrate 21, an electrode array 22, a non-crystalline column integrated driving circuit 23 and a non-crystalline row integrated driving circuit 24.
  • the substrate 21 has a surface 211.
  • the material of the substrate 21 may be modified according to the actual requirement.
  • the substrate 21 may be a glass substrate, a plastic substrate or a stainless steel substrate.
  • the substrate 21 is a glass substrate.
  • the electrode array 22, the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24 are simultaneously formed on the surface 211 of the substrate 21 according to the non-crystalline manufacturing process.
  • the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24 are electrically connected with the electrode array 22 to drive the electrode array 22 to operate.
  • the non-crystalline manufacturing process may be an amorphous silicon thin film transistor manufacturing process or an organic thin film transistor manufacturing process.
  • the materials of the electrode array 22, the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24 may include amorphous silicon or an organic material. It is to be noted that each of the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24 manufactured according to the amorphous silicon thin film transistor manufacturing process has a channel layer of the thin film transistor made of the amorphous silicon.
  • the electrode array 22 may be designed as an active electrode array according to the actual requirement.
  • the active electrode array includes, without limitation to, a transistor, a thin film transistor or a diode, for example.
  • the electrode array 22 may also be designed as a passive electrode array, which includes, for example but not limited to, a capacitor.
  • the non-crystalline column integrated driving circuit 23 is a data line driving circuit, while the non-crystalline row integrated driving circuit 24 is a scan line driving circuit.
  • the electrode array 22, the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24 are simultaneously formed on the surface 211 of the substrate 21 according to the non-crystalline manufacturing process.
  • the manufacturing method of the invention has simplified steps.
  • the substrate 21 of the invention may also reduce the preserved spaces 111 of the substrate 11, which are required when the COG manufacturing process is being performed. Therefore, the size of the display apparatus 2 can be reduced.
  • the display apparatus 2 may further include a flexible printed circuit (FPC) 25, which is electrically connected with the non-crystalline column integrated driving circuit 23 or the non-crystalline row integrated driving circuit 24.
  • the FPC 25 is electrically connected with the non-crystalline column integrated driving circuit 23 to transmit image data to the non-crystalline column integrated driving circuit 23.
  • the FPC 25 may also be simultaneously electrically connected with the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24.
  • the display apparatus 2 may also include a film 26 and a control chip 27.
  • the film 26 is electrically connected with the non-crystalline column integrated driving circuit 23 or the non-crystalline row integrated driving circuit 24, and the control chip 27 is formed on the film 26 according to the chip-on-film (COF) technology.
  • COF chip-on-film
  • the film 26 is electrically connected with the non-crystalline column integrated driving circuit 23 to control the transmission of the image data through the control chip 27.
  • the film 26 may also be electrically connected with the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24.
  • the control chip 27 may be a time controller or a microcontroller in this embodiment.
  • the smaller control chip 27, as shown in FIG. 5B can be directly disposed on the surface 211 of the substrate 21.
  • a portion of the non-crystalline column integrated driving circuit 23 or the non-crystalline row integrated driving circuit 24 may be disposed on the surface 211 of the substrate 21 in the form of a chip (not shown).
  • the display apparatus 2 further includes an opposing electrode unit 28 and an opto-electronic display unit 29.
  • the opposing or counter electrode unit 28 may be disposed opposite to the electrode array 22.
  • the opposing electrode unit 28 may be an electrode layer or an electrode plate.
  • the opposing electrode unit 28 has to be a transparent unit, and the material thereof may be indium tin oxide (ITO), aluminum zinc oxide (AZO), indium zinc oxide or cadmium tin oxide.
  • the opto-electronic display unit 29 is disposed between the opposing electrode unit 28 and the electrode array 22.
  • the opto-electronic display unit 29 may be, without limitation to, a non-volatile opto-electronic display unit.
  • the opto-electronic display unit 29 may be an opto-electronic display element or an opto-electronic display film according to the actual design.
  • the display apparatus 2 is an electrophoresis display apparatus
  • the opto-electronic display unit 29 may include an electrophoresis substance.
  • the opto-electronic display unit 29 may include an electrowetting substance.
  • the opto-electronic display unit 29 may also include a cholesterol liquid crystal.
  • the conventional driving circuit chip 13 is replaced with the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24 in the display apparatus 2.
  • the thickness D' 0 of the display apparatus 2 is determined according to the thickness of each of the substrate 21, the opto-electronic display unit 29 and the opposing electrode unit 28, and is not restricted by the thickness D 1 of the driving circuit chip 13. Therefore, the display apparatus 2 is thinner and lighter than the display apparatus 1.
  • the display apparatus 2 is an electrophoresis display apparatus.
  • the electrode array 22 is formed on the substrate 21 according to the amorphous silicon thin film transistor manufacturing process or the organic thin film transistor manufacturing process, and is composed of a plurality of gate scan lines 221 1 to 221 m , a plurality of source data lines 222 1 to 222 n , a plurality of thin film transistors 223 11 to 223 nm and a plurality of pixel electrodes 224 11 to 224 nm .
  • the thin film transistors 223 11 to 223 nm are respectively electrically connected with the gate scan lines 221 1 to 221 m and the source data lines 222 1 to 222 n to serve as switches for the pixel electrodes 224 11 to 224 nm .
  • the non-crystalline column integrated driving circuit 23 and the non-crystalline row integrated driving circuit 24 are also formed on the substrate 21 according to the amorphous silicon thin film transistor manufacturing process or the organic thin film transistor manufacturing process.
  • the non-crystalline row integrated driving circuit 24 has a first shift register 241
  • the non-crystalline column integrated driving circuit 23 has a second shift register 231 and a buffer 232 electrically connected with the second shift register 231.
  • a plurality of opto-electronic display units 29 is disposed between the opposing electrode unit 28 and the electrode array 22(pixel electrodes 224 11 to 224 nm ).
  • the opto-electronic display unit 29 has an electrophoresis substance, which may have a plurality of pigment particles 291 and a dielectric solvent 292.
  • the pigment particles 291 are distributed over the dielectric solvent 292.
  • the electrophoresis substance (the pigment particles 291 and the dielectric solvent 292) are accommodated within a micro-cup structure 293, and the opto-electronic display unit 29 has, for example but not limited to, a plurality of micro-cup structures 293.
  • the electrophoresis substance may also be gathered in a micro-capsule structure (not shown).
  • the material of the opposing electrode unit 28 may be ITO, AZO, indium zinc oxide or cadmium tin oxide.
  • the first shift register 241 operates at the frequency of the gate clock C 1 , and sequentially generates a first pulse signal S 1 on the gate scan lines 221 1 to 221 m to turn on the thin film transistors 223 11 to 223 nm corresponding to the gate scan lines 221 1 to 221 m .
  • the second shift register 231 operates at the frequency of the source clock C 2 , and sequentially generates and outputs a second pulse signal S 2 to the buffer 232.
  • the buffer 232 converts sequence image data I 1 into parallel image data I 2 according to the second pulse signal S 2 so as to transmit the parallel image data I 2 to the corresponding thin film transistors 223 11 to 223 nm through the source data lines 222 1 to 222 n , and thus to control the voltage difference between the opposing electrode unit 28 and the electrode array 22.
  • the pigment particles 291 are forced by the voltage difference to represent the color of the pigment particles 291 or the dielectric solvent 292 so that the micro-cup structure 293 can display different colors.
  • the parallel image data represents that the image data, which is transmitted through the source data lines 222 1 to 222 n , is correct data during a certain time interval.
  • the source data lines need not to output the correct image data simultaneously, but only has to sequentially output the image data for a period of time.
  • a manufacturing method of the display apparatus includes steps S10 to S20.
  • step S10 a non-crystalline column integrated driving circuit, a non-crystalline row integrated driving circuit and an electrode array are simultaneously formed on a substrate.
  • step S20 an opto-electronic display unit and the electrode array are disposed opposite to each other.
  • the manufacturing method of the display apparatus has been described in the display apparatus 2 according to the preferred embodiment of the invention (see FIGS. 3 to 8 ), so detailed descriptions thereof will be omitted.
  • the display apparatus and the manufacturing method thereof according to the invention have the following features.
  • the non-crystalline column integrated driving circuit, the non-crystalline row integrated driving circuit and the electrode array are simultaneously formed on the substrate according to the non-crystalline manufacturing process.
  • the manufacturing method of the invention has simplified steps.
  • the conventional driving circuit chip is replaced with the non-crystalline column integrated driving circuit and the non-crystalline row integrated driving circuit in the invention.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Liquid Crystal (AREA)
EP07123414A 2006-12-20 2007-12-17 Appareil d'affichage et son procédé de fabrication Withdrawn EP1936588A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610167876 2006-12-20
CNA200710188217XA CN101206373A (zh) 2006-12-20 2007-11-09 显示装置及其制造方法

Publications (2)

Publication Number Publication Date
EP1936588A2 true EP1936588A2 (fr) 2008-06-25
EP1936588A3 EP1936588A3 (fr) 2009-06-17

Family

ID=39266811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07123414A Withdrawn EP1936588A3 (fr) 2006-12-20 2007-12-17 Appareil d'affichage et son procédé de fabrication

Country Status (2)

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EP (1) EP1936588A3 (fr)
CN (1) CN101206373A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102044217B (zh) * 2009-10-15 2013-03-20 上海天马微电子有限公司 电泳显示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1231594A1 (fr) * 2001-02-13 2002-08-14 Samsung Electronics Co., Ltd. Registre à décaloge utilisé en un afficheur à cristaux liquides
US20040032389A1 (en) * 2002-08-16 2004-02-19 Rong-Chang Liang Electrophoretic display with dual mode switching

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1231594A1 (fr) * 2001-02-13 2002-08-14 Samsung Electronics Co., Ltd. Registre à décaloge utilisé en un afficheur à cristaux liquides
US20040032389A1 (en) * 2002-08-16 2004-02-19 Rong-Chang Liang Electrophoretic display with dual mode switching

Also Published As

Publication number Publication date
CN101206373A (zh) 2008-06-25
EP1936588A3 (fr) 2009-06-17

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