Shenzhen Hongguang Display Co.,Ltd CUSTOMER : CUSTOMER MODULE :  Preliminary Specification ■Final Specification Customer Confirmation column： Approved by : Please return one of the copies of the specification with your signature to us within two weeks after you receive this document.If it is not returned,we will assume that you agree to the entire contents of this specification document. Hongguang Display

Shenzhen Hongguang Display Co.,Ltd RECORDS OF REVISION Date Hongguang Display

Features Mechanical Specifications Absolute Maximum Ratings DC Electrical Characteristics Optical Specification Backlight Counter Drawing Interface Pin Description Timing Characteristics Display Command 3. INSPECTION SPECIFICATIONN 4. PRECAUTION RELATING PRODUCT HANDLING 4.1 Safety 4.2 Handling 4.3 Storage Hongguang Display

Shenzhen Hongguang Display Co.,Ltd 1. SPECIFICATIONS 1.1 Features Item Standard Value Display Type Viewing Direction 1.2 Mechanical Specifications Item Standard Value Outline Dimension Viewing Area Active Area Pixel pitch Note：For detailed information please refer to LCM drawing 1.3 Absolute Maximum Ratings Item Power Supply Voltage LCD Driver Supply Voltage Input voltage Operating Temperature Storage Temperature. Storage Humidity Hongguang Display

Shenzhen Hongguang Display Co.,Ltd 1.4 DC Electrical Characteristics VDD = 2.4~3.3V, VSS = 0V, Ta = 25C Item Logic Supply Voltage Supply Current 1.5 Optical Specification Optical characteritics are determind after the unit has been on and stable for approximately 30 minutes dark environment at 25℃.the value specified are at an approximate distance 500mm from the lcd surface at a viewing angle and θ equal to 0 Optical Characteristics Ta = 25C parameter Φ = Φ Viewing = Angle Φ Respone time Surface Luminance Hongguang Display

Shenzhen Hongguang Display Co.,Ltd 1.5.2 Measurement system (1)LCD Viewing Angle viewing angle is the angle at which the contrast ratio is greater than 10.the angles are determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which is normal to the lcd surface. (2) Response time Response time is the time required for the display to transition from white to black (Rising time, Tr) and from black to white (Falling time, Tf).for additional information (3)Contrast Ratio(CR) Contrast Ratio(CR) is defined mathematically as: Surface Luminance with all white pixels...

Shenzhen Hongguang Display Co.,Ltd 1.6 Backlight Circuit Characteristics(5 LEDs Serial connection): Item Operating voltage Operating current Life Time Backlight use constant current drive! BACKLIGHT CIRCUIT: Hongguang Display

Shenzhen Hongguang Display Co.,Ltd 2. MODU1LE STRUCTURE 2.1 Counter Drawing

Shenzhen Hongguang Display Co.,Ltd Interface Pin Description NO Power ground BACK LIGHT + BACK LIGHT - Tearing effect output Chip select input pin (“Low” enable) Register selection signal Write select signal Read select signal Power ground Timing Characteristics Please refer to ST7796 DATASHEET. 2.4 Display Command Please refer to ST7796 DATASHEET. Hongguang Display

Shenzhen Hongguang Display Co.,Ltd 3. INSPECTION SPECIFICATIONN NO. 1 经验标准 Inspection Standard 整体功能 1）不显示 No display 不允许 All 2）显示异常 Display abnormally Reject functional 3）缺划（横或竖，横&竖）Missing vertical, horizontal defects segment 4）短路 Short circuit 5）背光不亮或闪烁 Backlight no lighting, flickering and abnormal lighting. 少成分 Missing component 外观尺寸 同 CD 图 Overall outline dimension beyond the drawing is Outline not allowed dimension 检验标准 Inspection Standard φ=（X+Y）/2 Clear Spots Y A：AA 区（显示区） B：VA 区（可视区） C：可视区以

Shenzhen Hongguang Display Co.,Ltd NO. 5 检验标准 Inspection Standard 不明显的黑白点 φ=（X+Y）/2 Dim Spots A：AA 区（显示区） B：VA 区（可视区） C：可视区以外(Out of V.A.) 偏光片刮伤 Polarizer Scratch 接受个数 Acceptable Quantity A 2 以脏污论 Define as spot defect 尺寸 Size（mm） L（Length） W（width） Hongguang Display L（Length） W（width）

Shenzhen Hongguang Display Co.,Ltd 8 偏光片与玻璃间气 泡 Polarize Air bubble 接受个数 Acceptable Quantity A 4. PRECAUTION RELATING PRODUCT HANDLING 4.1 SAFETY 4.1.1 4.1.2 If the LCD panel breaks , be careful not to get the liquid crystal to touch your skin. If the liquid crystal touches your skin or clothes , please wash it off immediately by using soap and water. 4.2 HANDLING Avoid any strong mechanical shock which can break the glass. Avoid static electricity which can damage the CMOS LSI—When working with the module, be sure to ground your body and any electrical equipment you may be using. 4.2.3 Do not...