SHARP LQ121S1DG61 TFT-LCD Module User Guide

Summary

This high-performance 3.1-inch color TFT-LCD module offers a sharp 800x600 pixel display resolution, ideal for rendering detailed graphics and text in general electronic equipment. The accompanying manual provides comprehensive technical specifications necessary for expert integration, covering physical dimensions, electrical interfaces (including RGB data lines and synchronization), operational parameters, and critical application guidelines. It is essential reading for engineers and developers looking to incorporate a vivid, wide-viewing-angle display panel into their advanced device projects.

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Product Specifications

Mobile Liquid Crystal Displays Group

LQ121S1DG61 TFT-LCD Module

Spec. Issue Date: Jan. 27, 2006 No: LD-18121A

Page Summary Contents For SHARP LQ121S1DG61 TFT-LCD Module User Guide

Page 1 Product Specifications Mobile Liquid Crystal Displays Group LQ121S1DG61 TFT-LCD Module Spec. Issue Date: Jan. 27, 2006 No: LD-18121A

Page 4 LD18121A-1 1. Application This specification applies to color TFT-LCD module, LQ121S1DG61 These specification sheets are the proprietary product of SHARP CORPORATION(”SHARP) and include materials prot...

Page 5 LD18121A-2 2. Overview This module is a color active matrix LCD module incorporating amorphous silicon TFT (Thin Film Transistor). It is composed of a color TFT-LCD panel, driver ICs, control circuit,...

Page 6 LD18121A-3 4. Input Terminals CN1 Corresponding connector: DF9-41S-1V, DF9A-41S-1V, DF9B-41S-1V, DF9M-41S-1V (Hirose Electric Co., Ltd.) Pin No. Symbol Function Remark 1 GND - 2 CK Clock signal for sa...

Page 7 LD18121A-4 [Note 1],[Note 2] R/L = High, U/D = Low R/L = Low, U/D = Low R/L = High, U/D = High R/L = Low, U/D = High 4-3. Backlight driving CN2 ,CN3 Used connector : BHR-02(8.0)VS-1N (JST) Correspondi...

Page 8 LD18121A-5 6.Recommended operation condition Parameter Symbol Min. Typ. Max. Unit Remark ＋5.5 Ｖ [Note2] Supply voltage Vcc ＋3.0 +3.3/+5.0 Input voltage VI 0 Vcc Ｖ [Note1] Temperature(Panel surface) To...

Page 9 LD18121A-6 ontrol IC VS VS HS HS ENAB ENAB CK CK ＶＣＣ To the inside of a module I/F connector

Page 10 LD18121A-7 7-2. Backlight driving The backlight system is an edge-lighting type with two CCFT (Cold Cathode Fluorescent Tube). The characteristics of single lamp are shown in the following table. Para...

Page 11 LD18121A-8 8. Timing Characteristics of input signals Timing diagrams of input signal are shown in Fig.2. 8-1. Timing characteristics Parameter Symbol Min. Typ. Max. Unit Remark Clock Frequency 1/Tc 3...

Page 12 LD18121A-1 LD A- Horizontal THp Sync.signal 2.1V 0.8V 0.8V 0.8V (Hsync) THc Tc *Only when enable terminal is fixed “LOW” Tch Tcl Th 2.1V Clock signal (CK) 0.8V 0.8V 0.8V C1* C2* C88* Tds Tdh Number of...

Page 13 LD18121A-10 9. Input Signals, Basic Display Colors and Gray Scale of Each Color Colors & Data signal Gray Gray R0 R1 R2 R3 R4 R5 G0 G1 G2 G3 G4 G5 B0 B1 B2 B3 B4 B5 scale Scale Black - 0 0 0 0 0 0...

Page 14 LD18121A-11 10. Optical Characteristics Ta=25o C, Vcc=+3.3V / +5.0V Parameter Symbol Condition Min. Typ. Max. Unit Remark Viewing Horizontal θ21, θ22 CR>10 60 70 - Deg. [Note1] angle Vertical θ11 3...

Page 15 LD18121A-12 [Note1]Definitions of viewing angle range: orm al line o’clock irection [Note2]Definition of contrast ratio: Ph ot od et ec to r o ut pu The contrast ratio is defined as the following. (r ...

Page 16 LD18121A-13 12.Handling Precautions a) Be sure to turn off the power supply when inserting or disconnecting the cable. b) Be sure to design the cabinet so that the module can be installed without any ...

Page 17 LD18121A-14 14.Reliability test items No. Test item Conditions Remark 1 High temperature storage test Ta=80℃ 240h Panel surface 2 Low temperature storage test Ta= -30℃ 240h 3 High temperature Ta=40℃ ;...

Page 20 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE. Suggested applications (if any) are for standard use; See Important Restrictions for limitations on special applications. See Limited Warranty for ...

Manual Details

Brand	Sharp
Pages	20
File Size	645.38 KB
Published	May 28, 2026

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Frequently Asked Questions

What level of reliability is this device suitable for?

It is designed for general electronic equipment, but not for mission-critical applications like aerospace or medical life support.

How many colors can the display show?

The module supports 262,144 colors and has a super-high brightness of 450cd/m^2.

Is a backlight included in this unit?

No, the backlight-driving DC/AC inverter is not built into this module.

What are the display dimensions for the module?

The active area is 246.0 (H) X 184.5 (V) mm, and the diagonal size is 31 inches (12.1").