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RK028ML02 Dataheets PDF



Part Number RK028ML02
Manufacturers Rocktech
Logo Rocktech
Description TFT Module
Datasheet RK028ML02 DatasheetRK028ML02 Datasheet (PDF)

Rocktech Displays Limited LCD Module Specification Module P/N: RK028ML02 Version: 0.0 Description : 2.8 inch TFT 240*400 Pixels With LED backlight TEL: 0086-755-26065260 Fax: 0086-755-26065261 E-mail: [email protected] Web: www.rocktech.com.hk Revision History RK028ML02 Date Rev. 06/01/2011 0.0 Page All Description First issue www.rocktech.com.hk CONTENTS RK028ML02 „ GENERAL FEATURES „ ABSOLUTE MAXIMUM RATINGS „ ELECTRICAL SPECIFICATIONS „ OPTICAL SPECIFICATIONS „ BLOCK.

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Rocktech Displays Limited LCD Module Specification Module P/N: RK028ML02 Version: 0.0 Description : 2.8 inch TFT 240*400 Pixels With LED backlight TEL: 0086-755-26065260 Fax: 0086-755-26065261 E-mail: [email protected] Web: www.rocktech.com.hk Revision History RK028ML02 Date Rev. 06/01/2011 0.0 Page All Description First issue www.rocktech.com.hk CONTENTS RK028ML02 „ GENERAL FEATURES „ ABSOLUTE MAXIMUM RATINGS „ ELECTRICAL SPECIFICATIONS „ OPTICAL SPECIFICATIONS „ BLOCK DIAGRAM „ PIN DESCRIPTION „ TIMING CHARACTERISTICS „ OUTLINE DIMENSION „ RELIABILITY AND INSPECTION STANDARD „ PRECAUTIONS www.rocktech.com.hk 1. General Features Item Display Mode Gray Scale Inversion Direction Input Signals Outline Dimensions Active Area Number of Pixels Dot Pitch Pixel Arrangement Drive IC Spec Normally White transmissive 6 O’CLOCK 8/16 bit 42.5(H) x 71.4 (W) x2.0(D) Max. 36.72 mm(H)×61.2mm(W) 240×RGB×400 Pixels 0.153mm(H)×0.153mm(W) RGB Vertical stripes HX8352-B RK028ML02 Remark www.rocktech.com.hk RK028ML02 2. Absolute Maximum Ratings The following are maximum values which, if exceeded may cause operation or damage to the unit. ITEM Power for Circuit Driving Power for Circuit Logic Storage Humidity Storage Temperature Operating Ambient Humidity Operating Ambient temperature Sym. Vcc Vt HST TST H OP TOP Min. -0.3 -0.3 10 -30 10 -20 Typ. - Max. Unit Remark 4.6 V Vcc+0.3 V %RH 80 ℃ At %RH 25±5℃ 70 ℃ www.rocktech.com.hk 3. Electrical Specification 3.1 Driving TFT LCD Panel RK028ML02 Item Sym. Min Typ. Max Power for Circuit Driving VCC 2.5 2.8 3.3 Power for Circuit Logic IOVCC 1.65 1.8 3.3 Logic Input Low Voltage VIL -0.3 - 0.3IOVcc Voltage High Voltage VIH 0.7IOVcc - IOVcc Logic Output Low Voltage VOL 0 - 0.2IOVcc Voltage High Voltage VOH 0.8IOVcc - - Power Black Mode Consumption Standby Mode Pb Pw T.B.D T.B.D T.B.D T.B.D T.B.D T.B.D Unit V V V V V V mW mW Note 3.2 Driving Backlight Item Backlight driving voltage Backlight driving current Backlight Power Consumption Lift Time Sym. VF IF WBL - Min 3.0 10,000 Typ. 3.2 60 192 20,000 Max 3.4 80 - Unit V mA mW Note Note 3 Note 1: (Unless specified, the ambient temperature Ta=25℃) Note 2: The recommended operating conditions refer to a range in which operation of this product is guaranteed. Should this range is exceeded, the operation cannot be guaranteed even if the values may be without the absolute maximum ratings. Note 3: If LED is driven by high current, high ambient temperature & humidity condition. The life time of LED will be reduced. Operating life means brightness goes down to 50% initial brightness. Typical operating life time is estimated data. www.rocktech.com.hk RK028ML02 4.Optical Specifications Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 30 minutes in a dark environment at 25 ℃. The values specified are at an approximate distance 500mm from the LCD surface at a viewing angle of Ф and θ equal to 0°. Item 1)Contrast Ratio 2)Module Luminance 3)Response time 4)Viewing Angle 5)Chromaticity Sym. C/R L Tr+Tf θT θB θL θR Wx Wy Rx Ry Gx Gy Bx By Min. 300 200 30 50 50 50 0.287 0.324 0.605 0.316 0.272 0.568 0.124 0.148 Values Typ. 450 240 25 40 60 60 60 0.302 0.339 0.620 0.331 0.287 0.583 0.139 0.163 Max. 40 - 0.317 0.354 0.635 0.346 0.302 0.598 0.154 0.178 Unit cd/m² ms Degree Note FIG.1 FIG.1 FIG.2 FIG.3 www.rocktech.com.hk RK028ML02 ‹ Measurement System Notes: 1. Contrast Ratio(CR) is defined mathematically as : Surface Luminance with all white pixels Contrast Ratio = ---------------------------------------------------------Surface Luminance with all black pixels 2. Surface luminance is the center point across the LCD surface 500mm from the surface with all pixels displaying white. For more information see FIG 1. 3. 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 see FIG 2. 4. 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. For more information see FIG 3. FIG. 1 Optical Characteristic Measurement Equipment and Method www.rocktech.com.hk RK028ML02 FIG. 2 The definition of Response Time The response time is defined as the following figure and shall be measured by switching the input signal for “black” and “white”. Response Time = Rising Time(Tr) + Falling Time(Tf) - Rising Time(Tr) : Full White 90% Æ Full White 10% Transmittance. - Falling Time(Tf) : Full White 10% Æ Full White 90% Transmittance. FIG. 3 The definition of Viewing Angle Use Fig. 1(Test Procedure) under Measurement System to measure the contrast from the measuring direction specified by the conditions as the following figure. www.rocktech.com.hk 5.Block Diagram RK028.


T32-HX8347A-V12 RK028ML02 TM028LDH05


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