Premium large format, usually shortened to PLF, is the cinema industry's label for an auditorium sold at a higher ticket price than the standard screen down the corridor. The distinguishing features are a bigger screen, brighter projection, an immersive sound system and, in most cases, upgraded seating. The category spans licensed brands such as IMAX and Dolby Cinema alongside exhibitor-owned brands such as Cinemark XD, Regal's RPX and PRIME at AMC.

The term exists because exhibitors needed a way to charge more for the same film. A multiplex cannot differentiate on content, since every chain plays the same titles on the same day. It can differentiate on the room.

How a PLF auditorium is built and priced

There are two commercial models. Under the licensed model, an exhibitor pays a technology owner for equipment, branding and marketing, typically with a share of box office attached. Dolby's package, combining Dolby Vision laser projection and Dolby Atmos audio, was reported by Screen International in 2017 to cost around $562,000 per screen. Under the private-label model, the exhibitor buys projection and sound hardware, applies its own brand, and keeps the surcharge in full.

The economics are visible in disclosure. Cinemark stated in June 2022 that XD screens represented 15 percent of its first-quarter box office while accounting for less than 5 percent of its domestic screens, up from roughly 10 percent before the pandemic. AMC reported 167 Dolby Cinema auditoriums in the United States and seven internationally as of 31 December 2024, alongside 60 in-house PLF screens domestically and 82 internationally.

Screen dimensions are the loosest part of the definition. Screen International, citing IHS Markit, put the core PLF threshold at screens of 15 metres and above in 2017, with more than 2,500 such auditoriums worldwide at the end of 2016. No trade body enforces that figure. AMC's own XL at AMC tier, launched in the United States in 2025 with screens at least 40 feet wide and 4K laser projection, is explicitly positioned as the largest non-PLF auditorium in a building, which places a 40-foot screen outside the category by the operator's own accounting.

Screen supply is the constraint that shapes buying. Because PLF rooms are scarce, studios compete for the same auditoriums, and a title that locks up the fleet in week one displaces whatever opens in week two.

Origin and evolution

The technology predates the label. IMAX Corporation was founded in Montreal in 1967, and the first permanent installation opened at the Cinesphere in Toronto in May 1971. For three decades the format was largely confined to museums and science centres.

Commercial competition arrived with digital projection. Cinemark launched XD in late 2009 as a direct answer to IMAX's digital systems, and litigation between the two companies followed. Regal's RPX, Carmike's BigD and Marcus Theatres' UltraScreen followed the same logic, and by 2015 the private-label field was crowded. Dolby Cinema was unveiled in December 2014, and AMC announced its partnership with Dolby in May 2015.

The label itself hardened during that build-out, as trade coverage needed a collective noun for brands that shared a business model rather than a technology. CJ 4DPLEX added a different axis with 4DX motion seating and ScreenX panoramic projection, neither of which is a large screen in the conventional sense, yet both are routinely grouped under PLF.

The pandemic accelerated the shift. Audiences returned selectively and for events, and premium rooms recovered faster than standard ones. AMC announced its Go Plan in autumn 2024, covering seating, renovation and PLF expansion. In March 2025 the company agreed with Dolby to add 40 Dolby Cinema auditoriums in the United States by the end of 2027, taking the total above 200, days after committing to 65 ScreenX and 40 4DX rooms with CJ 4DPLEX.

Where advertising sits inside a premium auditorium

For media buyers, the important detail is that PLF screens have historically been carved out of cinema advertising contracts. The first amendment to the exhibitor services agreement between National CineMedia and American Multi-Cinema, filed with the US Securities and Exchange Commission and dated 9 March 2017, states that IMAX Screens "will not receive, and AMC will have no duty to exhibit" the Digital Carousel, the Pre-Feature Program or the Traditional Content Program, leaving participation to AMC's discretion.

Later AMC contract language extends the carve-out, defining a Premium Large Format Screen as a large format screen using premium technology licensed from a third party and marketed by AMC as such, with the parties agreeing that only IMAX, Dolby Cinema, 4DX and multi-projector ScreenX screens qualify. In-house brands sit outside that definition.

The wider inventory picture changed in 2025. AMC and National CineMedia signed a second amended agreement on 17 April 2025, extending the term by five years and aligning AMC's pre-feature structure with the rest of the network. From 1 July 2025 AMC began carrying up to five minutes of advertising after the published showtime plus a 30 to 60 second Platinum Spot before the final trailers, a format Regal and Cinemark had run since November 2019. National CineMedia and Creative Realities announced on 13 April 2026 that they would install lobby display networks across 285 AMC locations, with multiple 75-inch screens per site.

Why the format matters for the marketing community

PLF concentrates audiences into a small number of rooms at predictable moments, which is the opposite of how most digital inventory behaves. Screen International reported that PLF screens accounted for 15.6 percent of North American box office in 2024, and cited research valuing the global PLF market at $1.85bn in 2024 with a forecast of $4.11bn by 2034.

The concentration has grown sharper. Trade reporting in June 2026 put PLF at roughly 40 percent of a domestic tentpole's opening weekend, with Toy Story 5 drawing close to $64m of its $159.6m opening from premium auditoriums. Forbes reported that half the opening-weekend audience for The Odyssey chose a premium format, 23 percent of them IMAX, contributing $81.4m of a $264.1m global total.

That matters for anyone buying cinema pre-roll. Pre-show advertising in a long-form IMAX screening holds a seated audience for ten to fifteen minutes, a dwell period no other channel replicates. The delivery side is equally concrete: more than 651 million tickets were sold across 2025 releases, up 9 percent while box office revenue rose 1 percent, which makes admissions rather than gross the volume metric for pre-show inventory. Cinema counts derive from ticket sales rather than panels, a distinction that carries weight against a television market where streaming holds 66.7 percent of ad-supported time among adults 18 to 49 and where measurement currency itself remains contested.

Scale still arrives in bursts. AMC and ODEON recorded 10.2 million moviegoers over a single weekend around the Spider-Man opening in August 2026, while Disney's autumn slate of seven titles leaned on re-releases and documentaries, three of them with IMAX components. Distribution structure feeds the same calculation: the European Commission required Paramount to exit the UIP joint venture within 13 months as a condition of clearing its Warner transaction, with remedies aimed at rental terms for cinema operators.

Limitations and open disputes

No standards body defines PLF, and the brand owners disagree about who belongs in it. JL Pomeroy, then global chief marketing officer at IMAX, told Boxoffice Pro in 2019 that the space had become cluttered and confusing for consumers, and rejected the grouping of IMAX with the wider category. The objection has commercial force, since a label applied to both a 15-metre screen and a 12-metre room with recliners tells a ticket buyer very little.

The advertising carve-out cuts the other way. The auditoriums with the most attentive audiences are precisely the ones an exhibitor may exclude from the network pre-show, which means cinema's strongest attention argument does not map cleanly onto its sellable inventory.

Certification has its own problem. Disney's Infinity Vision programme grades exhibitor rooms against a distributor's standard rather than an independent one, and Disney's April 2026 announcement listed only qualitative criteria. The numeric thresholds reported subsequently in trade coverage, a minimum screen width of 45 feet, Dolby Atmos or 7.1 audio, and brightness of at least 14 footlamberts in 2D, have not been published by Disney in the same form.

Distinguishing premium large format from adjacent terms

IMAX is a brand within the category, not a synonym for it, and its owner disputes the grouping. Extra-large format, including XL at AMC, describes big screens that deliberately sit below the PLF tier and carry no surcharge premium of the same order. Large-format out-of-home refers to billboards and spectaculars, a separate market covered under digital out-of-home, where US spend was projected at $4bn for 2026. Large format in display advertising is a viewability classification, carrying a 30 percent pixel threshold rather than the standard 50 percent.

Recent developments

The most consequential change is standardisation by a studio rather than a trade body. Disney announced Infinity Vision at CinemaCon on 16 April 2026, certifying auditoriums on screen size, laser projection and immersive audio, and put the installed base at more than 75 domestic and 300 global exhibitor PLFs. By late June the studio reported more than 7,500 certification applications. The programme launches with Avengers: Endgame Encore on 25 September 2026 and carries into Avengers: Doomsday in December.

Format economics keep improving. IMAX reported record global box office of $1.28bn for 2025, up 40 percent year on year and 13 percent above its 2019 high, taking 3.8 percent of the global box office from just over 1,800 locations, and guided to $1.4bn for 2026.

Timeline

  • 1967: IMAX Corporation is founded in Montreal
  • May 1971: The first permanent IMAX theatre opens at the Cinesphere in Toronto
  • Late 2009: Cinemark launches XD as a private-label answer to digital IMAX
  • December 2014: Dolby Cinema is unveiled
  • May 2015: AMC and Dolby Laboratories announce Dolby Cinema at AMC
  • End of 2016: IHS Markit counts more than 2,500 PLF screens worldwide
  • 9 March 2017: An amendment to AMC's exhibitor services agreement confirms IMAX screens are exempt from carrying the network pre-show
  • November 2019: Regal and Cinemark begin running post-showtime advertising and the Platinum Spot
  • Autumn 2024: AMC announces the Go Plan, including PLF expansion
  • 31 March 2025: AMC and Dolby agree 40 additional Dolby Cinema auditoriums by the end of 2027
  • 17 April 2025: AMC and National CineMedia sign a second amended exhibitor services agreement
  • 1 July 2025: AMC begins carrying post-showtime advertising and the Platinum Spot
  • 7 January 2026: IMAX reports record 2025 global box office of $1.28bn
  • 16 April 2026: Disney announces the Infinity Vision PLF certification at CinemaCon
  • 13 April 2026: National CineMedia and Creative Realities announce lobby networks at 285 AMC sites
  • 25 September 2026: Avengers: Endgame Encore opens as the first Infinity Vision release

Summary

Who. Exhibitors including AMC, Cinemark, Regal, Vue and Odeon operate the auditoriums. Technology owners including IMAX Corporation, Dolby Laboratories and CJ 4DPLEX license the branded formats. Distributors, led in 2026 by Disney, set certification criteria. Cinema advertising networks including National CineMedia and Screenvision sell the surrounding inventory.

What. A premium large format auditorium is a cinema screen sold at a surcharge on the basis of size, projection brightness, sound system and seating, under either a licensed brand or an exhibitor's private label.

When. IMAX dates from 1967, but the commercial category formed after digital projection arrived, with Cinemark XD in 2009 and Dolby Cinema in 2014, and it consolidated after 2020 as event-driven attendance concentrated audiences in premium rooms.

Where. Roughly 375 exhibitor PLF auditoriums were identified by Disney in April 2026 across domestic and international markets, alongside just over 1,800 IMAX locations worldwide, concentrated in metropolitan multiplexes.

Why. Exhibitors cannot differentiate on content, so they differentiate on the room, and audiences have proved willing to pay for it: premium screens took 15.6 percent of North American box office in 2024 and around 40 percent of a tentpole's opening weekend by 2026. For advertisers, the same concentration creates the longest attentive dwell period in commercial media, and a contractual carve-out that has historically kept part of it off the market.