Patent ID: 11914262
Assignee: LG DISPLAY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 17:
18. A transparent display apparatus comprising:
a transparent display panel including a plurality of pixels in a matrix manner, each of pixel including an emission area and a transmission area; and
a light shutter panel including:
a first light shutter panel including:
a first lower electrode plate;
a first upper electrode plate facing with the first lower electrode plate;
a first shutter layer disposed between the first lower electrode plate and the first upper electrode plate, and including first maximum light transmitting portion, a first minimum light blocking portion, first ink storage portions connecting the first maximum light transmitting portion and the first minimum light blocking portion, and a first electric field guide disposed between the first ink storage portions;
a plurality of first spacers maintaining a gap between the first lower electrode plate and the first upper electrode plate; and
a first black ink filled into the first ink storage portions of the first shutter layer, and

a second light shutter panel including:
a second lower electrode plate;
a second upper electrode plate facing with the second lower electrode plate;
a second shutter layer disposed between the second lower electrode plate and the second upper electrode plate, and including second maximum light transmitting portion, a second minimum light blocking portion, second ink storage portions connecting the second maximum light transmitting portion and the second minimum light blocking portion, and a second electric field guide disposed between the second ink storage portions;
a plurality of second spacers maintaining a gap between the second lower electrode plate and the second upper electrode plate; and
a second black ink filled into the second ink storage portions of the second shutter layer,

wherein the first light shutter panel and the second light shutter panel are joined in a thickness direction,
wherein the first minimum light blocking portion and the second minimum light blocking portion are overlapped each other, and
wherein the plurality of first spacers are not overlapped with the plurality of second spacers,
a black ink filled into the ink storage portion of the shutter layer.