SPFD54124B Drise, SPFD54124B Datasheet - Page 205
SPFD54124B
Manufacturer Part Number
SPFD54124B
Description
396-Channel 6-Bit Source Driver
Manufacturer
Drise
Datasheet
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Preliminary
SPFD54124B
7.15.4. Display Glass Break Detection
Sleep Out-command is a trigger for an internal function of the display module, which indicates, if the display glass of the display module is
broken or not.
There is inverted (= increased by 1) a bit in “Read Display Self-Diagnostic Result (0Fh)” (= RDDSDR) (The used bit of this command is D4),
if the display glass is not broken. If this display glass is broken, this bit (D4) is not inverted (= increased by 1).
The following figure is a reference, how this glass break detection can be implemented e.g. there is connected together 2 bumps via route
of ITO. This route of ITO is the nearest route of the edge of the display glass.
www.DataSheet4U.com
Active area of the display glass
Through view of driver to
Substrate of display glass
The flow chart for this internal function is following:
Power on sequence
HW reset
SW reset
Sleep In (10h)
Sleep Out Mode
Sleep In Mode
RDDSDR’s D4=0
Sleep Out (11h)
Checks, if display glass is broken
Yes
Is the display glass
broken?
No
D4 inverted
© ORISE Technology Co., Ltd.
205
APR. 26, 2007
Proprietary & Confidential
Preliminary Version: 0.6
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