A display panel , having a first region and a second region located beside the first region , the display panel comprising: a top substrate (130', 130", 130′′′); a patterned light shielding layer disposed in the first region of the display panel ; a bottom substrate , disposed opposite to the top substrate (130', 130", 130′′′); a sealant , disposed between the top substrate (130', 130", 130′′′) and the bottom substrate and located within the first region of the display panel ; and a display medium layer encased by the top substrate (130', 130", 130′′′), the bottom substrate , and the sealant , a light filtering layer , disposed on the top substrate (130', 130", 130′′′) in the second region of the display panel , wherein the light filtering layer causes a reduction of a transmittance of light of wavelength ranged from about 300nm to about 410nm by at least about 20% to about 50%, and a transmittance of the light filtering layer for light of wavelength ranged from about 450nm to about 800nm is at least about 80% to 95%, wherein the reduction in transmittance is evaluated by subtracting a transmittance value of a stack of an electrode layer , the top substrate, an anti-reflective layer and the light filtering layer from a transmittance value of an identical stack not including the light filtering layer, wherein the patterned light shielding layer is disposed on an upper surface of the top substrate (130', 130", 130′′′), wherein the top substrate (130', 130") has a recess (R130', R130") in the second region of the display panel and the light filtering layer is disposed in the recess (130', 130") and/or the top substrate (130". 130′′′) has a recess (R130", R130′′′) in the first region of the display panel , and the patterned light shielding layer is disposed in the recess (R130", R130′′′), and wherein the light filtering layer extends over sensitive components of the display panel , which sensitive components may be damaged by incident UV light. a top substrate (130', 130", 130′′′); a patterned light shielding layer disposed in the first region of the display panel ; a bottom substrate , disposed opposite to the top substrate (130', 130", 130′′′); a sealant , disposed between the top substrate (130', 130", 130′′′) and the bottom substrate and located within the first region of the display panel ; and a display medium layer encased by the top substrate (130', 130", 130′′′), the bottom substrate , and the sealant , a light filtering layer , disposed on the top substrate (130', 130", 130′′′) in the second region of the display panel , wherein the light filtering layer causes a reduction of a transmittance of light of wavelength ranged from about 300nm to about 410nm by at least about 20% to about 50%, and a transmittance of the light filtering layer for light of wavelength ranged from about 450nm to about 800nm is at least about 80% to 95%, wherein the reduction in transmittance is evaluated by subtracting a transmittance value of a stack of an electrode layer , the top substrate, an anti-reflective layer and the light filtering layer from a transmittance value of an identical stack not including the light filtering layer, wherein the patterned light shielding layer is disposed on an upper surface of the top substrate (130', 130", 130′′′), wherein the top substrate (130', 130") has a recess (R130', R130") in the second region of the display panel and the light filtering layer is disposed in the recess (130', 130") and/or the top substrate (130". 130′′′) has a recess (R130", R130′′′) in the first region of the display panel , and the patterned light shielding layer is disposed in the recess (R130", R130′′′), and wherein the light filtering layer extends over sensitive components of the display panel , which sensitive components may be damaged by incident UV light. <EOS>