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Yousee Display module TFT LCD YX40004A

Yousee Display module TFT LCD YX40004A
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Yousee Display module TFT LCD YX40004A

Product catalog summary
General Information
This document outlines the display specifications for the YX40004A model by Shenzhen Yousee Technology Co., Ltd. Key details include the LCD type, dimensions, pixel pitch, viewing direction, backlight type, and interface type. The module measures 3.95 inches with a resolution of 480(RGB) x 480 dots.
Module Outline Drawing
A detailed outline drawing is provided, showing dimensions and component layout, connection mode, and design considerations for assembly and integration.
Interface Description
This section lists the pin configuration and functions, including power supply, reset signal, SPI data and clock signals, RGB data signals, and touch panel connections.
Absolute Maximum Ratings
Outlines maximum ratings for supply voltage, input voltage, operating temperature, storage temperature, and humidity, crucial for module reliability and performance.
Electrical Characteristics
Details analog and logic operating voltages, input and output voltage levels essential for module operation.
Backlight Characteristics
Describes backlight specifications such as forward voltage, number of LEDs, and connection mode, important for display brightness and uniformity.
Optical Characteristics
Includes response time, contrast ratio, color gamut, luminance uniformity, viewing angle, and surface luminance, determining visual performance.
Recommended Operating Sequence
Provides a recommended power on/off sequence to maintain display integrity and longevity.
Reset Input Timing
Details timing requirements for reset input, necessary for proper display module initialization.
Production Process Control
Outlines production workflow and responsibilities, including quality control measures and handling of nonconforming products.
Inspection Specifications
Defines quality inspection standards, criteria for defects, acceptable limits, and corrective actions.
Product Specifications
Provides detailed specifications for LCD modules, including dimensions and defect allowances, with specific measurements for acceptable defects.
Reliability Test Conditions
Specifies reliability tests such as high/low temperature storage and operation, temperature cycling, damp proof, and ESD tests, with conditions and post-test inspection criteria.
Precautions for Using LCD Modules
Emphasizes handling precautions due to fragility, advising against excessive force and mechanical shock, and outlines correct handling practices.
Storage and Transportation Precautions
Guidelines for storing LCD modules include using sealed polyethylene bags, avoiding light exposure, and maintaining specific temperature and humidity levels. Transportation precautions focus on careful handling and waterproof measures.
Packing Specification
Provides packaging dimensions for safe transport and storage.
Special Remarks
Specifications serve as binding criteria for quality inspection. Customers are encouraged to communicate concerns, and a limited warranty policy covers functional defects for one year from shipment.
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Catalog excerpts

Yousee Display module TFT LCD YX40004A-1

深圳市宇锡科技有限公司 SHENZHEN YOUSEE TECHNOLOG CO., LTD DISPLAY SPECIFICATION Product NO: (产品型号) Customer : (客 户) APPROVED BY CUSTOMER 客户签署栏 Approved by Remark 审核 备注 APPROVED BY YOUSEE 宇锡签署栏 Checked by 检查 电 子 结 构 深圳市宇锡科技有限公司 Shenzhen Yousee Technology Co.,Ltd 邹长城 LONG Tel:15818552076 E-mail: [email protected] Adress:深

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Yousee Display module TFT LCD YX40004A-2

Shenzhen Yousee Technology Co., Ltd Product Specification P/N: YX40004A Version: First Edition YX-RD-001-A Page 2 of 19

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Yousee Display module TFT LCD YX40004A-3

Shenzhen Yousee Technology Co., Ltd Product Specification CONTENTS 目录 1.GENERAL INFORMATION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -4 基本描述 2 .MODULE OUTLINE DRAWIN - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -5 产品外形图 3.INTERFACE DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -6 接口定义 4.ABSOLUTE MAXIMUM RATINGS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -7 极限参数 (IC) 5.ELECTRICAL CHARACTERISTICS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -7 模块电气特性 6.BACKLIGHT...

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Yousee Display module TFT LCD YX40004A-4

Shenzhen Yousee Technology Co., Ltd Product Specification 1. GENERAL INFORMATION 基本描述 Contents 内容 a-si TFT,Positive Transmissive type Number of Dots 点阵 Outline dimensions 外形尺寸 Active area 有效区域 Pixel pitch 像素 Module size 模组尺寸 Viewing direction 视角方向 Backlight type 背光类型 LCD Driver IC LCD 驱动 IC Interface type 接口类型 LCM Input voltage 模组输

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Yousee Display module TFT LCD YX40004A-5

设计注意事项: 1.图中FRAME VA为推荐TP视窗位置 、大小,建议TP视窗位置、大小不 要超过FRAME VA。 2.整机机壳带泡棉产品,建议客户 机壳泡棉进入LCD单边0.5MM MIN, 防止漏光。 3.整机机壳不带泡棉产品,建议客 户整机TP的丝印黑油开窗或者LENS 丝印黑油开窗比LCD A.A区单边大 0.6MM MAX。 4.客户需保证触摸屏下表面到玻璃 上表面最少0.3MM MIN(非贴合)。

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Yousee Display module TFT LCD YX40004A-6

Shenzhen Yousee Technology Co., Ltd Product Specification 3. INTERFACE DESCRIPTION ^P^^ P/N: YX40004A Version: First Edition YX-RD-001-A Page 6 of 19

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Yousee Display module TFT LCD YX40004A-7

Shenzhen Yousee Technology Co., Ltd Product Specification 4. ABSOLUTE MAXIMUM RATINGS 极限参数(IC) Parameter 参数 Operating temperature 操作温度 Storage temperature 存储温度 Supply voltage for logic 逻辑电压 I/O Input voltage for analog circuit 输入模拟电压 5. ELECTRICAL CHARACTERISTICS 模块电气特性 Parameter Analog operating voltage 模拟电压 Logic operating voltage 逻辑电压 Input voltage “H”level 输入高电平 Input voltage “L”level 输入低电平 Output voltage “H”level 输出高电平

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Yousee Display module TFT LCD YX40004A-8

Shenzhen Yousee Technology Co., Ltd Product Specification 6. BACKLIGHT CHARACTERISTICS 背光电气特性 Item 项目 Forward voltage 正向电压 Connection mode 连接类型 7. OPTICAL CHAYACTERISTICS 光学特性 Item Response time 响应时间 Contrast ratio Color gamut Chromaticity 色度坐标 Note1.Response time is the time required for the display to transition from White to black(Rise Time,Tr)and from black to white(Decay Ti

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Yousee Display module TFT LCD YX40004A-9

Shenzhen Yousee Technology Co., Ltd Product Specification FIG1. The definition of Response time 响应时间定义 Note2.contrast Ratio(CR) is defined mathematically by the following formula ,For more information see FIG2. Contrast Ratio(CR)=Average Surface Luminance with all white pixels/ Average Surface Luminance with all black pixels 备注 2.对比度是由以下公式计算所得。详见 FIG2. 对比度=显示白色画面时平均表面亮度(P1,P2,……)/显示黑色画面时平均表面亮度(P1,P2,……) FIG2. Measuring method for Contrast ratio,surface luminance,Luminance uniformity,CIE(X,Y) chromaticity. 对比度,表面亮度,均匀度,CIE 坐标测试方法 Note4.Viewing angle is the angel at which contrast ratio is greater...

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Yousee Display module TFT LCD YX40004A-10

Shenzhen Yousee Technology Co., Ltd Product Specification 备注 4.视角指对比度大于等于一个特定值时的可视范围,对 TFT 屏,对比对特定值为 10,对黑白屏 CSTN 屏,对比度特定值为 2,视角由横轴(X 轴),竖轴(Y 轴)同 Z 轴(垂直与 LCD 表面)之间的夹 角来定义,详见 FIG3.。 FIG3 The definition of viewing angle 视角定义 Note6.CIE(X,Y)chromaticity is the Center point value.For more information see FIG2. 备注 6.选择中心点,分别测试 X,Y 值,详见 FIG2.。 Note7.For Viewing angle and response time testing,the testing date is base on AutronicMelchers's ConScope.Series instruments.For contrast ratio,Surface Luminance,Luminance uniformity and CIE,the testing date is base on CS-2000(BM-7/CA310) photo detector. 备注 7.视角和响应时间,测试...

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Yousee Display module TFT LCD YX40004A-11

Shenzhen Yousee Technology Co., Ltd Product Specification 8. Recommended Operating Sequence 8.1 Power on/off sequence is illustrated below Timing when the latter signal rises up to 90% of its typical value. e g. When VDD comes later, this timing is defined at the cross point of 90% of 2.75V, not 90% of 2.6V Timing when the latter signal falls up to 90% of its typical value. e.g. When VDD comes later, this timing is defined at the point of 90% of 2.75V, not 90% of 2.6V. sleep-out mode) (Powerdown in sleep-in mode) "pw-res.1 |S applied to RESX falling in the Sleep Out Mode TW-resx2 is applied to...

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Yousee Display module TFT LCD YX40004A-12

Shenzhen Yousee Technology Co., Ltd Product Specification 9. RESET INPUT TIMING RESX Initial stalui Normal cqcialter, Less than 20ns width positive spike will be rejected 5. When Reset applied during Sleep In Mode.6. When Reset applied during Sleep Out Mode.7. It is necessary to wait 5msec after releasing RESX before sending commands. Also Sleep Out command cannot be sent for 120msec. NOTE: This section is only for reference,Details please refer to the IC specification. P/N: YX40004A Version: First Edition YX-RD-001-A Page 12 of 19

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Yousee Display module TFT LCD YX40004A-13

Shenzhen Yousee Technology Co., Ltd Product Specification WORKFLOW CHART 工作流程图 Responsibility accounting 权责单位 Flow Chart 流程图 Production design 生产计划排程 Production arrangements 生产准备 First article production 首件生产 First article assurance 首件确认 Process Inspection Product Material Control 生产计划与 物料控制 Production department 生产部 Production department 生产部 Quality department 品 质部 Production department or Quality department 生产部/品质 部 Quality department 品 质部 Production department 生 产部 Production department or Quality department 生产部/品 质部 Production department or storage 生产部/仓库 Related Files Form used 《Production...

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Yousee Display module TFT LCD YX40004A-14

Shenzhen Yousee Technology Co., Ltd Product Specification Version: First Edition

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Yousee Display module TFT LCD YX40004A-15

Shenzhen Yousee Technology Co., Ltd Product Specification Note;The rest of the test items according to our standards12. RELIABILITY TEST CONDITIONS NO. P/N: YX40004A Version: First Edition YX-RD-001-A Page 15 of 19

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Yousee Display module TFT LCD YX40004A-16

Shenzhen Yousee Technology Co., Ltd Product Specification 缺陷: 1.Air bubble in the LCD;模 块中有气泡 Temperature Cycle Damp Proof Test 防潮测试 6.Current IDD is twice higher than initial value. 电流 IDD 大于初始值的 两倍。 测试前对样品进行外观和功能测试, 采用空气放电,对 TP 进行单次放 电,9 个点每一点放电一次,每次间 检查,如果合格就进行下一循环测 试,如果不合格,试验停止,并进行 问题判定 13. PRECAUTIONS FOR USING LCD MODULES 模组使用注意事项 1. Handing precautions 使用注意事项 1.1 The display panel is made of glass and polarizer.As glass is fragile.It tends to become or chipped during handing especially on the edges.Please avoid dropping or jarring.Do not subject it to a mechanical shock by dropping it...

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