Patent ID: 11966143
Assignee: LG DISPLAY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 8:
9. A transparent display apparatus comprising:
a transparent display panel including a plurality of pixels in a matrix, each of the plurality of pixels including an emission area and a transmission area; and
a light shutter panel attached to a rear surface of the transparent display panel, the light shutter panel including:
a lower electrode plate;
an upper electrode plate facing the lower electrode plate;
a shutter layer disposed between the lower electrode plate and the upper electrode plate, and including a maximum light transmitting portion, a minimum light blocking portion, ink storage portions connecting the maximum light transmitting portion and the minimum light blocking portion, and an electric field guide disposed between the ink storage portions;
a plurality of spacers maintaining a gap between the lower electrode plate and the upper electrode plate; and
black ink filled into the ink storage portions of the shutter layer,

wherein a height of the electric field guide is smaller than the gap between the lower electrode plate and the upper electrode plate.