6.4 Fully Digital D-ILATM for Consumer Applications

S.Shimizu May 25, 2004 SID Conference. 1. 6.4 Fully Digital D-ILATM for Consumer Applications. Shigeo Shimizu, Yutaka Ochi, Atsushi Nakano. Technology ...
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6.4 Fully Digital D-ILATM for Consumer Applications Shigeo Shimizu, Yutaka Ochi, Atsushi Nakano Technology Development Division Victor Company of Japan, Limited

Matthew Bone Aurora Systems Inc

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Contents •Introduction •Driving Principle •Performance of Digital D-ILA •RPTV •Summary

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D-ILA device line-up

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D-ILA Device Line-up and Applications 1.7″4K2K D-ILA Devices 1.7″4K2K

1.3″QXGA 1.3″QXGA

0.9″SXGA 0.9″SXGA DLA-150CL

0.7″SXGA+ 0.7″SXGA+

4K2K-PJ

Ultra High End

DLA-QX1

0.8″FHD 0.8″FHD

Digital Cinema High End Post Production Simulation

0.7SXGA+

Mid range Home Theater 0.7″720P 0.7″720P Business Presentation RP-TV Basic

DLA-SX21

Personal Presentation

Front-PJ

Rear-Box

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Applications

Home Entertainment

Rear-PJ

DLA-HX1

PR-TV

Front-PJ

16:9 4

RPTV market forecast by display technology

LCOS

LCD

CRT

DLP

Data: 2004 iSuppli/Stanford Resources S.Shimizu May 25, 2004 SID Conference

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The Specification of Digital D-ILA

Device diagonal

0.70 in.

Driving method

Digital (PWM)

Number of Pixels Aspect ratio

16:9

Pixel Pitch

12 micron

Fill factor

93 %

Contrast (device only)

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1280 x 720

5000:1

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Digital driving Principle (1) Digital Imager Pixel Architecture

ITO Pixel V0 V1

master

slave

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Applied Voltage to LC VITO - V0 VITO - V1

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Digital driving Principle (2) Video Signal

Controller

Frame Buffer

Horizontal driver

V1 V0

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Vertical driver

LUT

Display Area (Pixels)

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Digital driving Principle (3)

Subframe-40

Subframe-40

2^24 possible arrangements 1 frame (=16.7msec)

24 bit-plane - 40 Subframes Each Subframe length is freely adjustable.

Subframe-1 1280 x 720 Addressing

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Subframe-1 Liquid Crystal Driving

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Performance of Digital D-ILA

1. 2. 3. 4. 5.

Efficiency Gray Scale Contrast Ratio Moving Picture Stability

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1. Efficiency Simulated Output Light 1 0.9

Dark Gray State Gray State Bright State

0.8

Output light

0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0

20

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40 60 time (msec)

80

100

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2. Gray Scale Electro-Optical Curve at Digital Driving 1 0.9 0.8

Output Light

0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0

200

400

600

800

1000

1200

Gray Level (Selected Pulse arrangements)

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3. Contrast Ratio (1) Contrast ratio without compensation 90

30

120

60 700

20 0 10

00 960

0 00 80 35

150

0.1

0

30 20 100 0 0 96000 2500 30 0 00 10 00 2 50 00 15 00 0 0 2000 700 0 400 200

500

250

30

300 500 00 0 8 00 1500 1 4000 4500

10

400 0 50

00

40 0

350 230 5000 00

0 00 7010 500

180

200 100 400 700 300 6000 0 1500 90015 800 000 3000 2000 4000 00 125000000 600 0025 100700080 300 40 00 0 00 2 0 0 3 10 4050 900 540000 500

00 25

100 0 00 200 105000 45 3007500 0 0 2 0 0000000 940105186000 44500 200 00 0 0 00 0 500 2105000 3050000 30 9000000000 325530810072150 105000 3 0 0 5 700 0 0 400 80006900000 60809000 3000 200 0 300 100 40 0

00 25

25 10070 350 00 150200000 8 0 0 20 6 0 30 00 10 0 0

330

000 00 954000 40 0 8690000 300 100

10 7 0000

4500 5000 2000 3500 1500 0 50

0 20

210

0

30 00

300

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3. Contrast Ratio (2) Contrast Ratio with an optical compensation 7000 Blue Channnel Contrast Green Channel Contrast

6000

Contrast Ratio

5000

4000

3000

2000

1000

0 420

440

460

480

500

520

540

560

580

600

Wave length (nm)

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4. Moving Picture Response Performance 0.70

1 frame

1 frame

1 frame

1 frame

0.60

Output light

0.50

0.40

0.30

0.20

0.10

0.00 0

10

20

30

40

50

60

time (msec)

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5. Stability(1) Electro-Optical Curve at Various Temperatures 1 0.9 0.8

Vbright

Output light

0.7 0.6 0.5

22.0degreeC 28.5degreeC

0.4

37.2degreeC 39.8degreeC

0.3

40.3degreeC

Vdark

0.2

49.7degreeC 60.1degreeC 69.8degreeC

0.1 0 0

1

2

3

4

5

6

7

8

9

10

Applied Voltage (V)

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5. Stability(2) N3A

Simulated Picture at various Temperatures

58.3 degree C

19.1 degree C 40.1 degree C

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5. Stability(3) N7A

Simulated Picture at various Temperatures

58.3 degree C

19.1 degree C 40.1 degree C

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5. Stability(4) Acceleration test with 15W/cm2 irradiation (Xe lamp)

100

VHR(%)

80 60 40 20 D-ILA alignment layer

organic alignment layer

0 1

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100 1000 Exposure time (hours)

10000

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Rear Projection TV model

Bright

500cd/m2

5lm/W

● 3 Panel System ● High Efficiency Optics

High CR

> 1000:1

● VAN Cell

High Picture Quality ● DIST (Digital Image Scaling Technology) ● JVC’ s Color Management Technology Concept model in the development stage.

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Summary ● Digital Driving

- High Productivity - Low Cost System ● VAN Cell

- High Efficiency - High Contrast - Stable ● Combination of Digital Driving and VAN Cell    - Suitable Performance for RPTV

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Thank you!

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Additional Information

More detailed Information about RPTV will be delivered. JVC 2004 Products Announcement (HD Universe) End of June NY

Contact: Terry Shea (JVC Company of America) Phone: 973-317-5000 email: [email protected]

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