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LMK070DDCFWD-NNA
Prepared by:
Date: 2020-05-18
Rev.
Descriptions
0.1
Preliminary release
0.2
Update section 9
URL:
www.topwaydisplay.com
www.topwaysz.com
LCD Module User Manual
Checked by:
Yu
Date:
Document Name: LMK070DDCFWD-NNA Engineering Sample-Manual-Rev0.1
Approved by:
Date:
Edit
Yuxinlang
Yu
Release Date
2018-12-28
2020-05-18
Page: 1 of 16
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Table of Contents
Summary of Contents for Topway LMK070DDCFWD-NNA
- Page 1 LMK070DDCFWD-NNA LCD Module User Manual Prepared by: Checked by: Approved by: Date: 2020-05-18 Date: Date: Rev. Descriptions Edit Release Date Preliminary release Yuxinlang 2018-12-28 Update section 9 2020-05-18 URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Engineering Sample-Manual-Rev0.1 www.topwaysz.com Page: 1 of 16...
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Page 2: Table Of Contents
10. CTP Mounting Instructions ....................14 11. RTP Mounting Instructions ....................15 12. Warranty ..........................16 13. Appendix <Inspection items and criteria for appearance defect> ........16 13.1 Bright/Dark Dots: ..............................16 URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 2 of 16... -
Page 3: Applications
3. Block Diagram Touch Panel XL, XR, YU, YD Backlight Circuit VLED+,VLED- DVDD, GND, AVDD VCOM VGH, VGL 7’’ TFT Panel DCLK DE, HS, V MODE DITHB Source Driver R0~R7, G0~G7, B0~B7 URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 3 of 16... -
Page 4: Terminal Function
*4: Global reset pin. Active low to enter reset state. Suggest to connect with an RC reset circuit for stability. Normally pull high. *5: Dithering function enable control, normally pull high. When DITHB=”1”,Disable internal dithering function, When DITHB=”0”,Enable internal dithering function, URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 4 of 16... -
Page 5: Touch Panel Terminal Functions
*1.Be sure to apply DVDD and VGL to the LCD first, and then apply VGH. *2: DVDD setting should match the signals output voltage (refer to Note 3) of customer’s system board. *3: DCLK,HS,VS,RESET,U/D, L/R,DE,R0~R7,G0~G7,B0~B7,MODE,DITHB. URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 5 of 16... -
Page 6: Current Consumption
Operating Voltage Life Time 1,000,000 times X Resistance 1100 Ω Y Resistance Ω Cautions: Exceeding the recommended Condition could cause substantial damage to the touch panel and shorten its life time. URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 6 of 16... -
Page 7: Power Sequence
TOPWAY LCD Module User Manual LMK070DDCFWD-NNA Power Sequence 5.5.1 Power on: →VGL→AVDD→VGH→Data→B/L 5.5.2 Power off: B/L →Data→VGH→AVDD →VGL→DV Note : Data include R0~R7,B0~B7,G0~G7,U/D,L/R,DCLK,HS,VS,DE. URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 7 of 16... -
Page 8: Ac Characteristics
Power On Slew rate TPOR DCLK cycle time Tcph DCLK pulse duty Tcwh Note: For the details of the timing, please see the Driver IC data sheet. Input Clock and Data Timing Diagram URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 8 of 16... -
Page 9: Timing
HS Blanking DCLK HS Front Porch thfp DCLK Item Symbol MIN. TYP. MAX. Unit Remark Vertical Display Area VS period time VS pulse width tvpw VS Blanking VS Front Porch tvfp URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 9 of 16... -
Page 10: Data Input Format
TOPWAY LCD Module User Manual LMK070DDCFWD-NNA Data Input Format Figure 6-2-1 Horizontal input timing diagram. Figure 6-2-2 Vertical input timing diagram. URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 10 of 16... -
Page 11: Optical Characteristics
Contrast Ratio (CR) = Luminanc with all pixels white / Luminance with all pixels black *2 Definition of Viewing Angle *3 Definition of response time *4 Definition of Luminance Uniformity Luminance uniformity (Lu)= Min. Luminance form pt1~pt9 / Max Luminance form Pt1~pt9 URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 11 of 16... -
Page 12: Assemble Precaution
2. A silicon sealing ring ships with TOPWAY display module. It should be in place before assembling to the front panel. TOPWAY 显示模块上的硅胶密封圈在安装时确保嵌入到位. 3. It should fix the TOPWAY display module into the front panel with two steps. Pre-fixing: Slightly tighten the screws on beam clamp in sequence as picture on the right side. -
Page 13: Lcd Module Design And Handling Precautions
的扭曲或变形。 When mounting LCD module, please make sure it is free from 请勿挤压液晶显示屏表面，这将导致显示颜色的异 twisting, warping and bending. 常。 Do not add excessive force on surface of LCD, which may cause URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 13 of 16... -
Page 14: Ctp Mounting Instructions
They should only provide appropriate support and keep the module in place. 安装结构应具有足够的强度，以防止外部不均匀力或 The mounting structure should be strong enough to prevent 扭曲力作用到模块上。 external uneven force or twist act onto the module URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 14 of 16... -
Page 15: Rtp Mounting Instructions
垫圈内边缘到 V.A.区的距离 C≥0.50mm. (附图 4) (Figure 4) 在设计面框与 RTP 组装时，应考虑到面框内侧与 RTP 外 The bezel side wall should keep space E= 0.2 ~ 0.3mm from the 侧的间距 E≥0.2mm. (附图 4) RTP. (Figure 4) Figure 4 URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 15 of 16... -
Page 16: Warranty
2. Bright dot: Dots appear bright and unchanged in size in which LCD panel is displaying under black pattern. 3. Dark dot: Dots appear dark and unchanged in size in which LCD panel is displaying under pure red, green, blue pattern. URL: www.topwaydisplay.com Document Name: LMK070DDCFWD-NNA Manual-Rev0.2.DOC1 Page: 16 of 16...
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