A transparent display panel and a display device

The present invention provides a display panel and a transparent display apparatus, relates to the field of display technology, to solve the conventional transparent display panel can not be met is displayed in different areas of differentiated needs. A transparent display panel including a plurality of display units, each display unit comprises a light emitting unit and a light transmitting sub-sub-units, wherein the light emitting device is formed in the light emitting sub-unit; a display panel comprising a first region and a second region, a first the light transmittance of the display area unit is larger than the area of ​​the second light transmissive display unit, and a first display area of ​​the light emitting unit is less than a light emitting region of the second display unit; wherein the light transmittance of the display unit transmissive sub-area of ​​the display unit and the unit area ratio of the display unit; displaying luminous efficiency of the display unit emitting sub-units of the unit area ratio of the area of ​​the display unit. To the transparent display apparatus.