Source: https://patents.google.com/patent/US7561242B2/en
Timestamp: 2018-11-19 20:22:24
Document Index: 471063579

Matched Legal Cases: ['Application No. 9', 'Application No. 9', 'Application No. 9', 'Application No. 9', 'Application No. 9', 'Application No. 9']

US7561242B2 - Contact structure - Google Patents
Contact structure Download PDF
US7561242B2
US7561242B2 US10453684 US45368403A US7561242B2 US 7561242 B2 US7561242 B2 US 7561242B2 US 10453684 US10453684 US 10453684 US 45368403 A US45368403 A US 45368403A US 7561242 B2 US7561242 B2 US 7561242B2
US10453684
US20030210357A1 (en )
In recent years, liquid crystal displays have been extensively used in the display portions of mobile intelligent terminals such as mobile computers and portable telephones including PHS (personal handyphone system) Also, active-matrix liquid crystal displays using TFTs as switching elements are well known.
FIG. 12 is a top plan view of a TFT substrate 10. This TFT substrate comprises a substrate 11 having a pixel region 12, a scanning line driver circuit 13, and a signal line driver circuit 14. In the pixel region 12, pixel electrodes and TFTs connected with the pixel electrodes are arranged in rows and columns. The scanning line driver circuit 13 controls the timing at which each TFT is turned on and off. The signal line driver circuit 14 supplies image data to the pixel electrodes. Furthermore, there are extractor terminals 15 to supply electric power and control signals from the outside. The substrate 11 makes connection with the counter electrode at common contact portions 16 a-16 d.
FIG. 13 is a cross-sectional view of the pixel region 12 and a common contact portion 16 representing the common contact portions 16 a-16 d. A TFT 17 and many other TFTs (not shown) are fabricated in the pixel region 12 on the substrate 11. An interlayer dielectric film 18 is deposited on the TFT 17. A pixel electrode 19 connected with the drain electrode of the TFT 17 is formed on the interlayer dielectric film 18.
The cell gap Gp (also known as the cell spacing) in the pixel region 12 is determined by the insulating spacers 25. It is common practice to use standardized spacers as the insulating spacers 25 and so if the spacers 25 have a uniform diameter, the cell gas Gp in the pixel region 12 is substantially uniform among liquid-crystal cells. However, it is difficult to avoid nonuniformity of the cell gap Gc in the common contact portion among liquid-crystal cells.
The internal conducting lines 318 shown FIG. 5E correspond to the internal conducting lines 207 a and 207 b shown in FIG. 3. These conducting lines 207 a and 207 b were connected with internal conducting lines 207 c at the common contact portions 206 b and 206 c. The internal conducting lines 207 c and the gate electrode 308 were created by the same processing steps.
Then, contact holes 320 and 321 were formed in the second interlayer dielectric film 319 to have access to the drain electrode 317 and to the internal conducting lines 318, respectively. The contact holes 321 for the internal conducting lines 318 were formed in the openings 111 shown in FIG. 2A. That is, rectangular holes measuring 100 μm×100 μm were arranged in 5 rows and 5 columns within the rectangular region 110 measuring 1.1 mm×1.1 mm. These holes were spaced 100 μm from each other. Moreover, contact holes for connecting the internal conducting lines 318 (207 a and 207 b) with the common terminals 205 a and 205 b at the extractor terminals 205 were formed.
In the example described above, the transistor is a coplanar TFT that is a typical top-gate TFT. It may also be a bottom-gate TFT. In addition, thin-film diodes, metal-insulator-metal (MIM) devices, metal-oxide varistors, and other devices-can be used, as well as the TFTs.
a plurality of conductive spacers,
a plurality of spacers formed over the pixel electrode for maintaining a gap between the first and second substrates,
wherein the plurality of conductive spacers are formed over the second conductive film and the insulating film, and
wherein at least one of the conductive spacers is in contact with both the counter electrode and the second conductive film.
2. An active matrix display comprising:
source and drain electrodes connected to the thin film transistor;
wherein the plurality of conductive spacers are formed over the second conductive film and the insulating film,
wherein at least one of the conductive spacers is in contact with both the counter electrode and the second conductive film, and
wherein each of the source and drain electrodes comprises the same material as the first conductive film.
3. An active matrix display comprising:
a plurality of conductive spacers, the pixel region comprising:
an insulating film comprising organic resin formed over the thin film transistor;
the insulating film formed over the first conductive film;
4. An active matrix display comprising:
wherein a diameter of the conductive spacers is greater than a diameter of the spacers.
5. An active matrix display comprising:
a pixel electrode comprising indium tin oxide formed over the insulating film; and
6. An active matrix display comprising:
a second substrate having a counter electrode comprising indium tin oxide opposed to the pixel region and the common contact portion; and
7. An active matrix display according to any one of claims 1 and 2 to 6, wherein each of the conductive spacers is a sphere coated with gold.
8. An active matrix display according to any one of claims 1 and 2 to 6, wherein the active matrix display is a liquid crystal display.
9. An active matrix display according to any one of claims 1 and 2 to 6, wherein the first substrate further has an extractor terminal and the counter electrode is connected with the extractor terminal via the common contact portion.
10. An active matrix display according to any one of claims 1 and 2 to 6, wherein the counter electrode is clamped at a common potential by the common contact portion.
11. An active matrix display according to claim 3, wherein the organic resin is selected from the group consisting of polyimide, polyamide, polyimideamide and acrylic resin.
12. An active matrix display comprising:
at least one of source and drain electrodes formed over the first insulating film and electrically connected to the thin film transistor;
a second insulating film formed over the one of the source and drain electrodes;
a pixel electrode formed over the second insulating film; and
a first conductive film formed over the first insulating film;
the second insulating film formed over the first conductive film; and
a second conductive film formed over the second insulating film and electrically connected to the first conductive film;
wherein the plurality of conductive spacers are formed over the second conductive film and the second insulating film, and
13. An active matrix display comprising:
wherein the plurality of conductive spacers are formed over the second conductive film and the second insulating film,
14. An active matrix display comprising:
a first insulating film comprising organic resin formed over the thin film transistor;
16. An active matrix display comprising:
a pixel electrode comprising indium tin oxide formed over the second insulating film; and
a second conductive film, formed over the second insulating film and electrically connected to the first conductive film;
17. An active matrix display comprising:
18. An active matrix display according to any one of claims 12 and 13 to 17, wherein each of the conductive spacers is a sphere coated with gold.
19. An active matrix display according to any one of claims 12 and 13 to 17, wherein the active matrix display is a liquid crystal display.
20. An active matrix display according to any one of claims 12 and 13 to 17, wherein the first substrate further has an extractor terminal and the counter electrode is connected with the extractor terminal via the common contact portion.
21. An active matrix display device according to any one of claims 12 and 13 to 17, wherein the counter electrode is clamped at a common potential by the common contact portion.
22. An active matrix display according to claim 14, wherein the organic resin is selected from the group consisting of polyimide, polyamide, polyimideamide and acrylic resin.
23. An active matrix display comprising:
a bottom-gate type thin film transistor;
an insulating film formed over the bottom-gate type thin film transistor;
24. An active matrix display comprising:
source and drain electrodes connected to the bottom-gate type thin film transistor;
25. An active matrix display comprising:
an insulating film comprising organic resin formed over the bottom-gate type thin film transistor
26. An active matrix display comprising:
27. An active matrix display comprising:
a first conductive film
29. An active matrix display according to any one of claims 23 and 24 to 28, wherein each of the conductive spacers is a sphere coated with gold.
30. An active matrix display according to any one of claims 23 and 24 to 28, wherein the active matrix display is a liquid crystal display.
31. An active matrix display according to any one of claims 23 and 24 to 28, wherein the first substrate further has an extractor terminal and the counter electrode is connected with the extractor terminal via the common contact portion.
32. An active matrix display according to any one of claims 23 and 24 to 28, wherein the counter electrode is clamped at a common potential by the common contact portion.
33. An active matrix display according to claim 25, wherein the organic resin is selected from the group consisting of polyimide, polyamide, polyimideamide and acrylic resin.
34. An active matrix display comprising:
a second conductive film formed over the insulating film and electrically connected to the first conductive film in at least one opening formed in the insulating film;
35. An active matrix display comprising:
36. An active matrix display comprising:
an insulating film comprising organic resin formed over the bottom-gate type thin film transistor;
38. An active matrix display comprising:
39. An active matrix display comprising:
40. An active matrix display according to any one of claims 34 and 35 to 39, wherein each of the conductive spacers is a sphere coated with gold.
41. An active matrix display according to any one of claims 34 and 35 to 39, wherein the active matrix display is a liquid crystal display.
42. An active matrix display according to any one of claims 34 and 35 to 39, wherein the first substrate further has an extractor terminal and the counter electrode is connected with the extractor terminal via the common contact portion.
43. An active matrix display according to any one of claims 34 and 35 to 39, wherein the counter electrode is clamped at a common potential by the common contact portion.
44. An active matrix display according to claim 36, wherein the organic resin is selected from the group consisting of polyimide, polyamide, polyimideamide and acrylic resin.
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JP09-094606 1997-03-27
JP9460697A JP3883641B2 (en) 1997-03-27 1997-03-27 Contact structure and an active matrix type display device
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US12480716 US7760316B2 (en) 1997-03-27 2009-06-09 Contact structure
US10125394 Division US7443478B2 (en) 1997-03-27 2002-04-19 Contact structure
US12480716 Continuation US7760316B2 (en) 1997-03-27 2009-06-09 Contact structure
US20030210357A1 true US20030210357A1 (en) 2003-11-13
US7561242B2 true US7561242B2 (en) 2009-07-14
ID=14114918
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US10125394 Expired - Lifetime US7443478B2 (en) 1997-03-27 2002-04-19 Contact structure
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Declaration of Minda R. Schechter in Support of Defendant AUO's Reply to SEL's Opposition to AUO's Motion for Partial Summary Judgment, Pursuant to Fed.R.Civ.P. Rule 56(b), (c) and (d) that Plaintiff is Not Entitled to Rely on a Date of Conception for the '480 Patent Prior to Mar. 27, 1997, the Date of Filing the Related Japanese Patent Application No. 9-094606, Jul. 30, 2003.
Declaration of Minda R. Schechter in Support of Defendants' Memorandum of Law in Support of its Motion for Partial Summary Judgment, Pursuant to Fed.R.Civ.P. Rule 56(b), (c), and (d) That Plaintiff is Not Entitled to Rely on a Date of Conception for the '480 Patent Prior to Mar. 27, 1997, the Date of Filing the Related Japanese Patent Application No. 9-094606; Jul. 9, 2003.
Declaration of Yoshiharu Hirakata in Support of SEL's Opposition to AU's Motion for Partial Summary Judgement that Plaintiff is not Entitled to Rely on a Date of Conception for the '480 Patent Prior to Mar. 27, 1997, the Date of Filing the Related Japanese Patent Application No. 9-094606, Jul. 23, 2003.
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Exhibit 17 of Expert Witness Report of Alan G. Lewis, S. Yamazaki et al., "Display Device and Method of Fabricating Involving Peeling Circuits From One Substrate and Mounting on Another," U.S. Patent 5,757,456, 1998.
Exhibit 17 of Expert Witness Report of Lloyd L. Zickert, Utility Patent Application Transmittal, Patent Application for U.S. Appl. No. 09/046,658 now U.S. Patent No. 5,982,471.
Exhibit 18 of Expert Witness Report of Alan G. Lewis, International Application No. WO97/10530 translation of K. Yanagawa et al., "Active Matrix Liquid Crystal Display," U.S. Patent 6,266,117, 2001.
Exhibit 18 of Expert Witness Report of Lloyd L. Zickert, Request for Patent Drawing Revision, Quinn Patent Drawing Service, for Patent Application for U.S. Appl. No. 09/046,658 now U.S. Patent No. 5,982,471.
Exhibit 19 of Expert Witness Report of Alan G. Lewis, T. Kaneshiro et al., "Liquid Crystal Display Panel," Patent Application Publication H 9-33933, 1997.
Exhibit 2 of Declaration of Minda R. Schechter, a true and correct copy of Japanese Patent Application 9-094606.
Exhibit 2 of Declaration of Minda R. Schechter, Letter dated Apr. 9, 2003 from Laurence H. Pretty, Hogan & Hartson, LLP, to Terrance J. Truax, Jenner & Block, LCC, regarding Semiconductor Energy Laboratory Company, Ltd v. Acer Incorporated et al.
Exhibit 2 of Expert Witness Report of Alan G. Lewis, J. Gluek et al., "Improvement in Light Efficiency of a Si:H TFT Addressed Reflective lambda/4-HAN-Mode Light Valves for Color TV Projection," Technical Digest of the Society for Information Display International Symposium, 1993, pp. 299-302.
Exhibit 2 of Expert Witness Report of Lloyd L. Zickert, Yamazaki Deposition Exhibit 9.
Exhibit 2 of Expert Witness Report of Richard A. Killworth, Illustration of Violation of the Best Mode Requirement of 35 USC 112 in the '941 Patent.
Exhibit 2 of Schlitter Declaration, the Opposition Expert Witness Report of Alan G. Lewis.
Exhibit 20 of Expert Witness Report of Alan G. Lewis, T. Furushima, "Liquid Crystal Display Unit," Patent Application Publication H 5-241183,1993.
Exhibit 20 of Expert Witness Report of Lloyd L. Zickert, Snell Reference. [Application of Amorphous Silicon Field Effect Transistors in Addressable Liquid Crystal Display Panels, Applied Physics, 1981].
Exhibit 21 of Expert Witness Report of Alan G. Lewis, M. Furuno, "Semiconductor Display Device and Manufacturing Method Thereof," Patent Application Publication H 7-301815, 1997.
Exhibit 21 of Expert Witness Report of Lloyd L. Zickert, Matsumura Reference. [Amorphous-Silicon Integrated Circuit, Proceedings of the IEEE, vol. 68, No. 10, Oct. 1980].
Exhibit 22 of Expert Witness Report of Alan G. Lewis, K. Kitawada, "Liquid Crystal Display Device," Patent Application Publication H 6-289415, 1994.
Exhibit 22 of Expert Witness Report of Lloyd L. Zickert, Matsumura Reference. [Amorphous-Silicon Image Sensor IC, IEEE Electron Device Letters, vol. EDL-1, No. 9, Sep. 1980].
Exhibit 23 of Expert Witness Report of Alan G. Lewis, A. Lewis et al., "AMLCDs for Military Avionics," Silver Associates Short Course, London, Apr. 1999.
Exhibit 23 of Expert Witness Report of Lloyd L. Zickert, '941 Priority Document and Translation. [JP Application 55-88974].
Exhibit 24 of Expert Witness Report of Alan G. Lewis, J. Fowler et al., "Avionics Color Display Using LCD Projection Technology," Technical Digest of the Society for Information Display International Symposium, 1992, pp. 912-915.
Exhibit 25 of Expert Witness Report of Alan G. Lewis, Oct. 19, 1992 edition of Channel Magazine.
Exhibit 26 of Expert Witness Report of Alan G. Lewis, U.S. Patent 6,404,480.
Exhibit 27 of Expert Witness Report of Alan G. Lewis, Prosecution History for U.S.S Patent 6,404,480.
Exhibit 3 of Declaration of Minda R. Schechter, a true and correct copy of Verified Translation of Japanese Patent Application 9-094606.
Exhibit 3 of Declaration of Minda R. Schechter, Letter dated Apr. 24, 2003 from Terrence J. Truax, Jenner & Block, LCC to Laurence H. Pretty, Hogan & Hartson, LLP, regarding SEL v. Acer Incorporated, et al., Case No. C 02-2800 WHA.
Exhibit 3 of Expert Witness Report of Alan G. Lewis, Y. Takafuji et al., "A. 1.9-in. 1.5-Mpixel Driver Fully Integrated Poly-Si TFT LCD for HDTV Projection," Technical Digest of the Society for Information Display International Symposium, 1993, pp. 383-386.
Exhibit 3 of Expert Witness Report of Lloyd L. Zickert, '941 Patent.
Exhibit 3 of Expert Witness Report of Richard A. Killworth, Illustration of Examiner's Non-consideration of Material Prior Art in the '941 Patent, Namely Japanese Patents 55-050663 and 55-050664.
Exhibit 4 of Expert Witness Report of Alan G. Lewis, H. Ohsihima et al., "Full Color LCDs with Completely Integrated Drivers Utilizing Low-Temperature Poly-Si TFTs" Technical Digest of the Society for Information Display International Symposium, 1993, pp. 387-390.
Exhibit 4 of Expert Witness Report of Lloyd L. Zickert, Yamazaki Deposition Transcript, pp. 79-80 and 88-89 and 150 [and additional pages included in 78-81, 86-89, 150-153 as attached to the report].
Exhibit 4 of Expert Witness Report of Richard A. Killworth, Illustration of Information Inconsistent with Positions Taken by '941 Patent Applicants.
Exhibit 46 of Schlitter Declaration, U.S. Appl. No. 09/046,685, which Issued as the '471 Patent, and which was the Parent Application to the one that Issued as the '480 Patent.
Exhibit 48 of Schlitter Declaration, U.S. Appl. No. 09/734,177, which Led to the Issuance of the '480 Patent.
Exhibit 49 of Schlitter Declaration, a Verified Translation of a Japanese Priority Document from the '480 Patent Application.
Exhibit 5 of Declaration of Minda R. Schechter, a true and correct copy of two-page document, dated Jan. 11, 1997 (Bates Nos. SEL 08609-08610).
Exhibit 5 of Expert Witness Report of Alan G. Lewis, M. Kobayashi et al., "High Mobility Poly-Si TFTs with Tungsten-Polycide Gate for 1.9 Mpixel HDTV LCD Projector," Technical Digest of the Society for Information Display International Symposium, 1994, pp. 75-78.
Exhibit 5 of Expert Witness Report of Lloyd L. Zickert, Form 1449 Executed By Examiner of '941 Patent.
Exhibit 5 of Expert Witness Report of Richard A. Killworth, Illustration of Misrepresentations Made During the Prosecution of the '480 Patent.
Exhibit 5 of Schlitter Declaration, Expert Witness Report of Richard A. Kilworth.
Exhibit 6 of Declaration of Minda R. Schechter, a translation of the two-page document dated Jan. 11, 1997 attached on Exhibit 5.
Exhibit 6 of Expert Witness Report of Alan G. Lewis, M. Matsuo et al., "1.3-in. Full-Color VGA Poly-Si TFT LCDs with Completely Integrated Drivers," Technical Digest of the Society for Information Display International Symposium, 1994, pp. 87-90.
Exhibit 6 of Expert Witness Report of Lloyd L. Zickert, Form 1449 Executed By Examiner of '941 Patent.
Exhibit 6 of Schlitter Declaration, the Final Claim Construction Order dated Jun. 9, 2003.
Exhibit 7 of Declaration of Minda R. Schechter, Final Invalidity Contentions of AU Optronics Corporation, Jun. 20, 2003.
Exhibit 7 of Expert Witness Report of Alan G. Lewis, K.R. Sarma et al., "Silicon on Quartz (SOQ) for High-Resolution Liquid Crystal Light Valves," Technical Digest of the Society for Information Display International Symposium, 1994, pp. 419-422.
Exhibit 7 of Expert Witness Report of Lloyd L. Zickert, Examiner's Communication to Board.
Exhibit 7 of Schlitter Declaration, U.S. Patent No. 6,404,480.
Exhibit 8 of Declaration of Minda R. Schechter, a true and correct copy of U.S. Patent No. 5,982,471.
Exhibit 8 of Expert Witness Report of Alan G. Lewis, T. Little et al., "A 9.5 inch, 1.3 Mega Pixel Low Temperature Poly-Si TFT LCD Fabricated by SPC of Very Thin Films and an ECR-CVD Gate Insulator," 1994 International Display Research Conference, pp. 219-222.
Exhibit 8 of Expert Witness Report of Lloyd L. Zickert, Form 1449 Submitted by Applicants in the '264 Application.
Exhibit 9 of Expert Witness Report of Alan G. Lewis, T. Hashizume et al., "14mum Pixel Poly-Si LCD with Integrated Drivers for Full Color VGA Panel," 1994 International Display Research Conference, pp. 418-421.
Exhibit 9 of Expert Witness Report of Lloyd L. Zickert, Amendment in the '264 Application.
Expert Witness Report of Richard A. Killworth of May 22, 2003.
Final Claim Construction Order for United States Patent Nos. 5,929,527, 6,355,941, 6,404,476, and 6,404,480.
Notice and Motion and Motion for Partial Summary Judgment, Pursuant to Fed.R.Civ.P. Rule 56(b), (c) and (d) That Plaintiff is Not Entitled to Rely on a Date of Conception for the '480 Patent Prior to Mar. 27, 1997, the Date of Filing the Related Japanese Patent Application No. 9-094606; Memorandum of Points and Authorities in Support Thereof, Jul. 9, 2003.
Reference 1 of Expert Witness Report of Richard A. Killworth, U.S. Patent No. 6,355,941.
Reference 10 of Expert Witness Report of Richard A. Killworth, PTO Board Ruling (SEL 00999).
Reference 11 of Expert Witness Report of Richard A. Killworth, Oct. 10, 1995 Supplemental Information Disclosure Statement (SEL 00683-SEL 00692).
Reference 12 of Expert Witness Report of Richard A. Killworth, Partial Translation of National Convention Record (SEL 59441).
Reference 13 of Expert Witness Report of Richard A. Killworth, U.S. Patent No. 6,404,480.
Reference 14 of Expert Witness Report of Richard A. Killworth, May 15, 2003 Hirakata Deposition Transcript (p. 41).
Reference 2 of Expert Witness Report of Richard A. Killworth, May 1, 2003 Yamazaki Deposition Transcript (pp. 141-150).
Reference 3 of Expert Witness Report of Richard A. Killworth, Yamzaki Deposition Exhibit 9.
Reference 4 of Expert Witness Report of Richard A. Killworth, Yamazaki Deposition Exhibit 10.
Reference 5 of Expert Witness Report of Richard A. Killworth, Apr. 30, 2003 Yamazaki Deposition Transcript (pp. 80-81).
Reference 6 of Expert Witness Report of Richard A. Killworth, Information Disclosure Statetment (SEL 00962-SEL 00963) and PTO Form 1449 (SEL 00963).
Reference 7 of Expert Witness Report of Richard A. Killworth, Jul. 16, 1999 Office Action (SEL 00978-SEL 00979).
Reference 8 of Expert Witness Report of Richard A. Killworth, May 14, 2003 Robinson Deposition Transcript (pp. 29-58).
Reference 9 of Expert Witness Report of Richard A. Killworth, PTO Appeal Brief (SEL 00891-SEL 00908).
SEL's Opposition to AU's Motion for Partial Summary Judgment that Plaintiff is not Entitled to Rely on a Date of Conception for the '480 Patent Prior to Mar. 27, 1997, the Date of Filing the Related Japanese Patent Application No. 9-094606.
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