ccfl backlight specs, voltages and perameters cross reference

Diameter(mm)	Length(mm)	Voltage(Vrms)	Current(mA)	Power(W)	Brightness(cd/m2)	Time (Hrs)
2	100	300	5	1.5	42,000	50,000
	200	505		2.5
	300	680		3.4
	400	845		4.22
	500	1005		5
2.6	100	268	5	1.34	32,000	50,000
	200	446		2.23
	300	625		3.13
	400	804		4.02
	500	984		4.92
	600	1000		4.5
	700	1200		5.8
3	200	446	5	2.23	30,000	50,000
	300	625		3.13
	400	804		4.02
	500	980		4.9
	600	1000		5
	700	1100		5
	800	1200		6
4.1	300	525	5	3.2	19,000	45,000

SPEC	（mm）D	（mm）A×B	mA	（V）±5%	（W）	（mm）C	（cd/m＾2）	（hr）	SIZE
SPEC	（mm）D	A×B×B	mA	（V）±5%	（W）	（mm）C	（cd/m＾2）	（hr）	SIZE
L [	￠2.0-￠2.3	41×33	5	300	1.5	6	35000	35000	2.5寸
		88×76	5	550	2.75	6	35000	35000	4.0寸
		120×80	5	640	3.2	6	35000	35000	5.0寸
	￠2.3-￠2.6	115×89	5	590	2.95	6	32000	35000	5.5寸
		120×90	5	620	3.1	6	32000	35000	5.6寸
		156×88	5	680	3.4	6	32000	35000	7.0寸
		154×96	5	700	3.5	6	32000	35000	7.5寸
	￠2.6-￠3.0（L）	217×168	6	760	4.56	8	28000	25000	10.4寸
		268×203	6	880	5.28	8	28000	25000	15.0寸
		320×240	6	910	5.46	8	28000	25000	17.0寸

Diameter(mm)	Length(mm)	Voltage(Vrms)	Current(mA)	Power(W)	Brightness(cd/m2)	Time (Hrs)
2	100	300	5	1.5	42,000	50,000
	200	505		2.5
	300	680		3.4
	400	845		4.22
	500	1005		5
2.6	100	268	5	1.34	32,000	50,000
	200	446		2.23
	300	625		3.13
	400	804		4.02
	500	984		4.92
	600	1000		4.5
	700	1200		5.8
3	200	446	5	2.23	30,000	50,000
	300	625		3.13
	400	804		4.02
	500	980		4.9
	600	1000		5
	700	1100		5
	800	1200		6
4.1	300	525	5	3.2	19,000	45,000

SPEC	（mm）D	（mm）A×B	mA	（V）±5%	（W）	（mm）C	（cd/m＾2）	（hr）	SIZE
SPEC	（mm）D	A×B×B	mA	（V）±5%	（W）	（mm）C	（cd/m＾2）	（hr）	SIZE
L [	￠2.0-￠2.3	41×33	5	300	1.5	6	35000	35000	2.5寸
		88×76	5	550	2.75	6	35000	35000	4.0寸
		120×80	5	640	3.2	6	35000	35000	5.0寸
	￠2.3-￠2.6	115×89	5	590	2.95	6	32000	35000	5.5寸
		120×90	5	620	3.1	6	32000	35000	5.6寸
		156×88	5	680	3.4	6	32000	35000	7.0寸
		154×96	5	700	3.5	6	32000	35000	7.5寸
	￠2.6-￠3.0（L）	217×168	6	760	4.56	8	28000	25000	10.4寸
		268×203	6	880	5.28	8	28000	25000	15.0寸
		320×240	6	910	5.46	8	28000	25000	17.0寸

Life characteristics

Variation of luminance and chromaticity maintenance with continuous operation.3-1-3 Optical characteristics

Roomtemperature life test	Roomtemperature life tes

Spectral characteristics	Spectral characteristics

Operating the lamp gradually deteriorates glass and phosphor due to the influence of ultraviolet ray, and the longer cumulative time of operating tends to drop the luminance maintenance ratio and chromaticity shift.
We apply protection layer on the inner-surface of the tubes to protect glass against ultraviolet ray in order to reduce the luminance deterioration ratio and chromaticity shift in product life as well as to reduce the ultraviolet rays in the spectrum

Mercury Vapor Pressure and Volume/ Distribution of lamp surface temperature and mercury

Electrical characteristic

Electrical characteristics according to the lamp size and the electrode material

Roomtemperature life testStarting voltage(Es) vs.Lamp lengh	Lamp voltage characteristics; by φ4 lamp length

Lamp voltage characteristics; by lamp tube diameter	Lamp voltage characteristics; by electrode material

The starting voltage (Es) is the characteristics proportional to the lamp length and inversely proportional to the lamp inner diameter.

The lamp voltage is the characteristics inversely proportional to the lamp current due to each lamp having the negative resistance characteristics.

Also the smaller lamp inner diameter increases the lamp impedance, requiring the proportionally higher lamp voltage.

Different outer lamp diameters with the same inner tube diameter do not affect the lamp voltage characteristics.

The lamp voltage depends on the electrode material; therefore the low power consumption type Mo electrode is recommended.

Optical characteristics

3-1-3-1 Variation of luminance and total light flux according to the difference in the lamp current and the ambient temperature

Luminance characteristics;by lamp diameter

Relative luminance vs. Ambient tempertature

Total luminance flux characteristics;by lamp tube diameter

*Click upper side image for large image.

Luminance vs. Lamp inner-surface temperature

The luminance and the total luminance flux increase almost linear to the increase of the lamp current.
Light output varies in different ambient temperature because the lamp lights by ultra violet ray radiated by the excitation of mercury vapor (i.e. ionization).
As for the relations between the luminance and the lamp surface temperature, the luminance has the peak value with its temperature at the coldest spot at around 65℃. This peak value(65℃) is not determined by the lamp diameter.

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