Transparent display apparatus

A transparent display apparatus comprising:

• a first transparent display panel, comprising:
• a first transparent substrate, comprising a first surface and a second surface facing away from the first surface;
• a second transparent substrate;
• and
• at least one light emitting element, disposed between the first transparent substrate of the first transparent display panel and the second transparent substrate of the first transparent display panel, wherein the at least one light emitting element is disposed on the first surface of the first transparent substrate of the first transparent display panel;
• a light modulation panel, comprising:
• a first transparent substrate;
• a first electrode, disposed on the first transparent substrate of the light modulation panel;
• a second transparent substrate, disposed opposite the first transparent substrate of the light modulation panel;
• a second electrode, disposed on the second transparent substrate of the light modulation panel;
• and
• an electrochromic material disposed between the first electrode and the second electrode;
• and
• a first optical adhesive layer disposed between the light modulation panel and the second surface of the first transparent substrate of the first transparent display panel, wherein the first optical adhesive layer has dye molecules.

A transparent display apparatus comprising:

• a first transparent display panel;
• a light modulation panel, comprising:
• a first transparent substrate;
• a first electrode, disposed on the first transparent substrate, wherein the first electrode has a first light-transmitting conductive portion and a first light-shielding conductive portion;
• a second transparent substrate, disposed opposite the first transparent substrate;
• a second electrode, disposed on the second transparent substrate;
• and
• an electrochromic material disposed between the first electrode and the second electrode;
• and
• a second transparent display panel, wherein the light modulation panel is disposed between the first transparent display panel and the second transparent display panel;
• wherein the first light-shielding conductive portion overlaps a light emitting element of the first transparent display panel and a light emitting element of the second transparent display panel, and the first light-transmitting conductive portion overlaps a light modulation area surrounded by the light emitting element of the first transparent display panel and the light emitting element of the second transparent display panel.

A transparent display apparatus comprising:

• a first transparent display panel;
• a light modulation panel, comprising:
• a first transparent substrate;
• a first electrode, disposed on the first transparent substrate;
• a second transparent substrate, disposed opposite the first transparent substrate;
• a second electrode, disposed on the second transparent substrate;
• and
• an electrochromic material disposed between the first electrode and the second electrode;
• and
• a cholesterol liquid crystal layer, disposed between the first transparent display panel and the light modulation panel, wherein the light modulation panel, the cholesterol liquid crystal layer and the first transparent display panel are arranged sequentially;
• the first transparent display panel has a pixel area and a light modulation area next to the pixel area, the first transparent display panel comprises a first transparent substrate, a second transparent substrate, at least one light emitting element and at least one photoluminescent pattern, the first transparent substrate of the first transparent display panel is closer to the cholesterol liquid crystal layer than the second transparent substrate of the first transparent display panel, the at least one light emitting element is located in the pixel area and is disposed on the first transparent substrate of the first transparent display panel, and the at least one photoluminescent pattern is located in the light modulation area and is disposed on the second transparent substrate of the first transparent display panel.