Quality Inspection for Car Lcd Display Module - Small sized screen,H23T37-00N – tsont

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Item Typical value Unit Size 2.3 Inch Resolution 320RGB*240dots - Outling dimension 51.00(W)*45.80(H)*2.3(T) mm Viewing area 46.75(W)*35.06(H) mm Type TFT Viewing direction 12 O’ Clock Connection type: COG + FPC Operating temperature: -20℃ -70℃ Storage temperature: -30℃ -80℃ Driver IC: ILI9342C Interfce type: MCU&SPI Brightness: 200 CD/㎡ Therefore, the phase transition temperature of the liquid crystal material determines the operating te...

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Quality Inspection for Car Lcd Display Module - Small sized screen,H23T37-00N – tsont Detail:

Item	Typical value	Unit
Size	2.3	Inch
Resolution	320RGB*240dots	-
Outling dimension	51.00(W)45.80(H)2.3(T)	mm
Viewing area	46.75(W)*35.06(H)	mm

Type	TFT
Viewing direction	12 O’ Clock
Connection type:	COG + FPC
Operating temperature:	-20℃ -70℃
Storage temperature:	-30℃ -80℃
Driver IC:	ILI9342C
Interfce type:	MCU&SPI
Brightness:	200 CD/㎡

Therefore, the phase transition temperature of the liquid crystal material determines the operating temperature range of the liquid crystal display device. Table 1 shows the relationship between
Relevant liquid crystal material parameters and the characteristics of the liquid crystal display device related to it. Liquid crystal material parameters are mainly clear
Point Tp (temperature transition point from liquid crystal phase to isotropic phase), curing point Ts.N (conversion from nematic phase to smectic phase or solid phase)
Temperature point), optically anisotropic birefringence On, dielectric anisotropy Oε, elastic constant Kn (splayed elastic constant),
K22 (torsional elastic constant), K33 (flexural elastic constant), rotational viscosity y, etc.

Parameter	Symbol	Typical value	Comments
Clearing point	Tclp	80°C.	Max. operating temperature
Smectic-Nematic ltransition	Ts-N	- 40°C.	Min. operating temperature
Optical anisotropy	A n=n//-n L	0.085=1.562-1 .477	Determines optical behavior
Dielectric anisotropy	0 ε=ε//_ε⊥	7=10.5-3.5	IDetermines behavior in electric field
Elastic constants	K₁₁， K₂₂, K₃₃.	10-¹¹ Newton	Important for response time
Rotational viscosity @20°C	Y 1	100 mPa s	Important for response time

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