HP Sure View - Technical White Paper
2
HP Sure View
1. EXECUTIVE SUMMARY
With almost 60 percent of employees taking their work outside oice walls,
1
HP Sure View integrated privacy screen
helps users work condently from any location without fear of data on the screen being exposed to prying eyes.
HP Sure View eliminates the need to carry additional tools to guard sensitive information. Users simply press the fn+F2
key to immediately transition the PC to privacy mode, which reduces up to 95 percent of visible light when viewed at an
angle, making it diicult for others to view information on the screen.
This feature is available as an option with the HP EliteBook 840 G3 and HP EliteBook 1040 G3.
2. FEATURE CONTROLS
Enable/Disable Privacy Mode
• To enable privacy mode, press fn+F2 keys.
• The white LED on the F2 key will illuminate when privacy mode is ON.
• To disable privacy mode, press fn+F2 keys.
• No LED will be visible when privacy mode is OFF.
Quickly Enable Highest Privacy Level
• If privacy mode was originally o, pressing fn+p keys enables privacy mode and sets the privacy level to maximum.
• If privacy mode was originally on, pressing fn+p keys sets the privacy level to maximum.
• The white LED on the F2 key will illuminate when privacy mode is ON.
• To disable privacy mode, press fn+F2 keys.
Setting Privacy Level
• To increase the privacy level, press fn+F5 keys until the desired level is achieved. This is useful in darker
environments.
• To decrease the privacy level, press fn+F6 keys until the desired level is achieved. This is useful in brighter
environments.
• The system will remember the last used privacy level.
3. TECHNOLOGY SUMMARY
3.1 DESIGN
HP Sure View uses a unique system & LCD module design in order to achieve the switchable privacy function. There are
three key pieces that comprise the technology.
• Proprietary backlight
• 3M
TM
Light Control Film
• System level hardware & logic controls
These three pieces have been designed to work together as a single entity to enable switchable privacy. Figure 1 is a
high level exploded view showing the construction and interdependency of the system. Figure 2 provides insight into
how the privacy backlight and light control lm work together to alter the viewing angle. Figure 3 is representative of
the privacy experience on the HP EliteBook 840.