LHQ. ENEAL DESCIPTION The LHQ is a Color Active Matrix with Light Emission Diode(LED) backlight system. The matrix employs asi Thin Film Transistor as the active element. It is transmissive type display operating in the normally white mode. This TFTLCD has. inch diagonally measured active display area with (**) resolution. Each pixel is divided into ed, reen and lue subpixels or dots which are arranged in vertical stripes. lock Diagram Mipi D+ Mipi D Mipi CLK+ User Connector ( Pin) Mipi CLK DD(.), EE(.8), ND() ESET _SYNC TFTLCD Panel ( ) Driver IC ( Chip) LED_ANODE LED_CATHODE Fig. lock Diagram of TFTLCD Module with LED acklight Unit eneral Features Item Specification Active Screen Size Outline Dimension Pixel Pitch Pixel Format Color Depth Interface Power Consumption Luminance iewing Direction. diagonal.8 (H) x. () x. (T) Typ..(H).() (H) X () ( Stripe) 8bits (,, ) MIPI lane bits (DPHY version.9, DSI version. r) mw (max. /L on @.ma), mw (max. /L off) nit(typ.) @.ma : o clock (Noninversion) er.. Aug.,
LHQ. ASOLUTE MAXIMUM ATINS The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit. Table. Absolute Maximum atings Parameter Symbol Min alues Max Units Notes Power Supply Input DD.. Power Supply Input EE.. LED Current I LED ma, Notes:. Applies to each LED individually.. Allowable forward current is refer to Fig. Fig. Ambient Temperature vs. Allowable Forward Current er.. Aug.,
LHQ. ELECTICAL SPECIFICATIONS. ELECTICAL CHAACTEISTICS Table. Electrical Characteristics Of TFTLCD Module Parameter Symb ol Min alues Typ Max Units Notes Power Supply Input (Analog) DD.9.. Power Supply Input (Digital) EE..8.9 H Level Input oltage IH.8 EE L Level Input oltage IL. EE Power Consumption, Panel P mw Notes:. Large black/white checker pattern( pixel blocks) at Hz White : ray lack : ray. ACK LIHT UNIT The edgelighting type of back light unit consists of LEDs which is connected in serial. Table. Electrical Characteristics Of ack Light Unit Parameter Symbol Min alues Typ. Max Units Notes LED Current I LED. ma LED Forward oltage LED.. er.. Aug.,
LHQ. INTEFACE CONNECTIONS LCD Connector: (Molex) System Mating Connector: 8 (Molex) Table. Module Connector Pin Configuration Pin Signal I/O Description CLKP I/O MIPI Clock DD. Power Supply CLKN I/O MIPI Clock EE.8 Power Supply ND round _Sync O Synchronization Pulse Signal DP I/O MIPI Data 8 eset I eset (Active Low) 9 DN I/O MIPI Data LED+ O LED Anode ND round LED O LED Cathode # # (Molex) # # Fig. Connector Diagram Note:. All ND(ground) pins should be connected together. er.. Aug.,
LHQ er.. Aug.,. COLO INPUT DATA EFEENCE Table. Color vs. Data S Darker righter S Darker righter S Darker righter lack ree n ray Scale S reen lack lue ray Scale S lue ed S lack White Yellow Magenta ed Cyan reen lue lack ed ray Scale asic Color Data Signal Display Colors
LHQ. Power On/Off Sequence Power On Sequence ~ms >=ms >=ms >=ms.8 ES. SW Command HS clock on Fig. Power On equirements Power Off Sequence >=ms >=ms >=ms.8 ES. SW Command Fig. Power Off equirements er.. Aug.,
LHQ. Software Flow Power on Step egister Data Delay Command EE on (Typ.8) us H/W reset set to HIH ms DIC Logic power settlement DD on (Typ.) ms OSC stabilization & NM loading Turn on highspeed clock (HS clock on) us For settlement x Sleep Out ms ms Wait frames x x8 / order change xc Image Start to send image data (HS data on) 8 x9 Displray On 9 Turn on acklight Power off Step egister Data Delay Command Turn off acklight ms x8 Display off ms x Sleep In ms Discharge time Stop to send image data (HS data off) Turn off highspeed clock (HS clock off) us DD off (Typ.) ms For settlement HW reset set to LOW ms 8 EE off (Typ.8) Table. Software Flowchart er.. Aug.,
LHQ. OPTICAL CHAACTEISTICS. Optical Characteristics acklight On Parameter Symbol Condition Min. Typ. Max. Unit emarks ΘUP (degree) Note iewing Angle ange ΘDOWN ΘLEFT C (degree) (degree) Note Note ΘIHT (degree) Note Contrast atio C Optimal Note rightness Y I LED =.ma cd/ m Note [P88] rightness Uniformity Y I LED =.ma 8 % Note [P88] Flicker F Optimal % Note esponse Time τ f + τ r Θ = Ta = C ms Note White Chromaticity Wx Wy.9. ed Chromaticity reen Chromaticity x y x y Θ = Ta = C.... Note [P] lue x. Chromaticity y. Color amut NTSC %. Optical Test Equipment & Method efer to Note,,,,,. er.. Aug., 8
LHQ [Note ] Optical Test Equipment Setup Optical characteristics are determined after the unit has been ON and stable for approximately minutes in a dark environment at C. The values specified are at an approximate distance cm from the LCD surface. In case of backlight on, measured on the center area of the panel by PHOTO ESEACH photometer P88&P or Equivalent. Optical Stage(x,y) LCD Module Pritchard 88 or Equivalent cm Fig. acklight On (Optical Characteristic Measurement Equipment and Method) [Note ] Contrast atio is defined as follows ; Contrast atio(c) = Photo detector output with LCD being White Photo detector output with LCD being lack er.. Aug., 9
LHQ [Note ] iewing Angle ange is defined as follows; [Note ] Fig. iewing Angle Definitions esponse time is obtained by measuring the transition time of photo detector output, when input signals are applied so as to make the area black to and from white. Photo detector Output % 9% % % White τ f lack τ r White Fig. esponse Time Definition Time er.. Aug.,
LHQ [Note ] The brightness measurement is taken at point. rightness Uniformity Minimum photo detector output for 9 with all pixels white = x Maximum photo detector output for 9 with all pixels white 8 9 Fig. rightness Measurement Points [Note ] The Flicker measurement is taken at center area of the panel (). Measurement equipment is YOKOAWA 98. Measurement patten is lack and Middle gray horizontal. YOKOAWA 98 Fig. Flicker Measurement Points er.. Aug.,
LHQ. MECHANICAL CHACTEISTICS The contents provide general mechanical characteristics for the model. In addition the figures in the next page are detailed mechanical drawing of the LCD. DIMENSION MIN TYP MAX UNIT HOIZONTAL..8. mm ETICAL... mm THICKNESS.9.. mm er.. Aug.,
LHQ [ Outline Dimension ]. Unspecified Dimension Tolerances are ±.mm. Weight:.g(Typ.),.g(Max.). Designer's Approval is equired before Mass Production. All Material should comply with Halogen free NOTES "A" (POLAIZE) (A/A) (A/A) (POLAIZE) A LHQTD (TOP POL~EFLECTO) E D C A Quantity DETAIL "A" (SCALE /) NO PAT NO DESCIPTION MATEIAL COLO FINISH NOTE / DESINED H.N.KWON CHECKED APPOED J.H.KIM C.K.SHIN OUTLINE DIMENSION LHQTD L er.. Aug.,