Display including polarizing and retardation structure
An electronic device includes an electronic module, a display module including into a first display region overlapping the electronic module in a plan view and a second display region not overlapping the electronic module in the plan view, a polarizing plate disposed on the display module, and an upper module disposed on the polarizing plate, having an in-plane retardation value in a range of about 50 nm to about 60 nm, and having a thickness-direction retardation value in a range of about 50 nm to about 150 nm.
1 . An electronic device comprising:
an electronic module;
a display module including a first display region overlapping the electronic module in a plan view and a second display region not overlapping the electronic module in the plan view;
a polarizing plate disposed on the display module, wherein the polarizing plate comprises a linear polarizing layer and the linear polarizing layer comprises a linear polarizer,
at least one polarizing protective layer is disposed on the linear polarizer, and
the at least one polarizing protective layer has an in-plane retardation value in a range of about 50 nm to about 60 nm, and a thickness-direction retardation value in a range of about 50 nm to about 150 nm; and
an upper module disposed on the polarizing plate, having an in-plane retardation value in a range of about 50 nm to about 60 nm, and having a thickness-direction retardation value in a range of about 50 nm to about 150 nm.
2 . The electronic device of claim 1 , wherein
the upper module comprises a window disposed on an upper side of the polarizing plate, and a protective layer disposed on the window, and
the protective layer has an in-plane retardation value in a range of about 50 nm to about 60 nm, and a thickness-direction retardation value in a range of about 50 nm to about 150 nm.
3 . The electronic device of claim 2 , wherein the protective layer is a biaxially stretched polymer film.
4 . The electronic device of claim 3 , wherein the protective layer comprises polyethylene terephthalate (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), polystyrene (PS), or triacetyl cellulose (TAC).
5 . The electronic device of claim 2 , wherein the polarizing plate comprises a linear polarizing layer, a transmission axis of the linear polarizing layer and a slow axis of the protective layer are parallel.
6 . The electronic device of claim 2 , wherein the window is a tempered glass substrate.
7 . The electronic device of claim 2 , wherein
the upper module comprises an upper film layer disposed between the polarizing plate and the window, and
the upper film layer has an in-plane retardation value in a range of about 50 nm to about 60 nm, and a thickness-direction retardation value in a range of about 50 nm to about 150 nm.
8 . The electronic device of claim 7 , wherein the upper film layer is a biaxially stretched polymer film.
9 . The electronic device of claim 8 , wherein the upper layer comprises polyethylene terephthalate (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), polystyrene (PS), or triacetyl cellulose (TAC).
10 . The electronic device of claim 7 , wherein
the polarizing plate comprises a linear polarizing layer, and
a transmission axis of the linear polarizing layer and a slow axis of the upper layer are parallel.
11 . The electronic device of claim 1 , wherein the polarizing plate comprises a λ/4 phase retardation layer disposed between the display module and the linear polarizing layer.
12 . The electronic device of claim 1 , wherein the electronic module is a camera module with an optical path disposed in a direction of the display module.
13 . The electronic device of claim 1 , wherein the display module comprises a display panel including a light emitting element layer, and an input sensor directly disposed on the display panel.